Home / 16,615.28-24,916.70-7,126.40

Finding the Fourth Proportional to 16,615.28, 24,916.70 and 7,126.40

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Solution

The fourth proportional to 16,615.28, 24,916.70 and 7,126.40 is: 10,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.28 : 24,916.70 = 7,126.40 : x
  2. Step 2: Convert to fraction form
    16,615.28/24,916.70 = 7,126.40/x
  3. Step 3: Cross multiply
    16,615.28x = 24,916.70 × 7,126.40
  4. Step 4: Simplify right side
    16,615.28x = 177,566,264.11
  5. Step 5: Solve for x
    x = 177,566,264.11/16,615.28
  6. Step 6: Final answer
    x = 10,686.93

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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.