Home / 18,353.73-25,329.93-10,288.76

Finding the Fourth Proportional to 18,353.73, 25,329.93 and 10,288.76

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Solution

The fourth proportional to 18,353.73, 25,329.93 and 10,288.76 is: 14,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.73 : 25,329.93 = 10,288.76 : x
  2. Step 2: Convert to fraction form
    18,353.73/25,329.93 = 10,288.76/x
  3. Step 3: Cross multiply
    18,353.73x = 25,329.93 × 10,288.76
  4. Step 4: Simplify right side
    18,353.73x = 260,613,463.23
  5. Step 5: Solve for x
    x = 260,613,463.23/18,353.73
  6. Step 6: Final answer
    x = 14,199.48

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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.