Home / 13,841.28-19,100.70-7,553.70

Finding the Fourth Proportional to 13,841.28, 19,100.70 and 7,553.70

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Solution

The fourth proportional to 13,841.28, 19,100.70 and 7,553.70 is: 10,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.28 : 19,100.70 = 7,553.70 : x
  2. Step 2: Convert to fraction form
    13,841.28/19,100.70 = 7,553.70/x
  3. Step 3: Cross multiply
    13,841.28x = 19,100.70 × 7,553.70
  4. Step 4: Simplify right side
    13,841.28x = 144,280,957.59
  5. Step 5: Solve for x
    x = 144,280,957.59/13,841.28
  6. Step 6: Final answer
    x = 10,423.96

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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.