Home / 10,000.61-15,010.33-5,073.78

Finding the Fourth Proportional to 10,000.61, 15,010.33 and 5,073.78

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Solution

The fourth proportional to 10,000.61, 15,010.33 and 5,073.78 is: 7,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.61 : 15,010.33 = 5,073.78 : x
  2. Step 2: Convert to fraction form
    10,000.61/15,010.33 = 5,073.78/x
  3. Step 3: Cross multiply
    10,000.61x = 15,010.33 × 5,073.78
  4. Step 4: Simplify right side
    10,000.61x = 76,159,099.46
  5. Step 5: Solve for x
    x = 76,159,099.46/10,000.61
  6. Step 6: Final answer
    x = 7,615.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.