Home / 18,316.44-25,281.54-12,652.20

Finding the Fourth Proportional to 18,316.44, 25,281.54 and 12,652.20

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Solution

The fourth proportional to 18,316.44, 25,281.54 and 12,652.20 is: 17,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.44 : 25,281.54 = 12,652.20 : x
  2. Step 2: Convert to fraction form
    18,316.44/25,281.54 = 12,652.20/x
  3. Step 3: Cross multiply
    18,316.44x = 25,281.54 × 12,652.20
  4. Step 4: Simplify right side
    18,316.44x = 319,867,100.39
  5. Step 5: Solve for x
    x = 319,867,100.39/18,316.44
  6. Step 6: Final answer
    x = 17,463.39

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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.