Home / 15,310.54-21,136.59-10,301.11

Finding the Fourth Proportional to 15,310.54, 21,136.59 and 10,301.11

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Solution

The fourth proportional to 15,310.54, 21,136.59 and 10,301.11 is: 14,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.54 : 21,136.59 = 10,301.11 : x
  2. Step 2: Convert to fraction form
    15,310.54/21,136.59 = 10,301.11/x
  3. Step 3: Cross multiply
    15,310.54x = 21,136.59 × 10,301.11
  4. Step 4: Simplify right side
    15,310.54x = 217,730,338.61
  5. Step 5: Solve for x
    x = 217,730,338.61/15,310.54
  6. Step 6: Final answer
    x = 14,220.94

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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.