Home / 10,233.28-15,259.54-8,988.96

Finding the Fourth Proportional to 10,233.28, 15,259.54 and 8,988.96

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Solution

The fourth proportional to 10,233.28, 15,259.54 and 8,988.96 is: 13,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.28 : 15,259.54 = 8,988.96 : x
  2. Step 2: Convert to fraction form
    10,233.28/15,259.54 = 8,988.96/x
  3. Step 3: Cross multiply
    10,233.28x = 15,259.54 × 8,988.96
  4. Step 4: Simplify right side
    10,233.28x = 137,167,394.68
  5. Step 5: Solve for x
    x = 137,167,394.68/10,233.28
  6. Step 6: Final answer
    x = 13,404.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.