Home / 18,329.37-25,278.93-12,353.19

Finding the Fourth Proportional to 18,329.37, 25,278.93 and 12,353.19

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Solution

The fourth proportional to 18,329.37, 25,278.93 and 12,353.19 is: 17,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.37 : 25,278.93 = 12,353.19 : x
  2. Step 2: Convert to fraction form
    18,329.37/25,278.93 = 12,353.19/x
  3. Step 3: Cross multiply
    18,329.37x = 25,278.93 × 12,353.19
  4. Step 4: Simplify right side
    18,329.37x = 312,275,425.29
  5. Step 5: Solve for x
    x = 312,275,425.29/18,329.37
  6. Step 6: Final answer
    x = 17,036.89

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.