Home / 19,684.49-29,543.79-10,331.12

Finding the Fourth Proportional to 19,684.49, 29,543.79 and 10,331.12

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Solution

The fourth proportional to 19,684.49, 29,543.79 and 10,331.12 is: 15,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.49 : 29,543.79 = 10,331.12 : x
  2. Step 2: Convert to fraction form
    19,684.49/29,543.79 = 10,331.12/x
  3. Step 3: Cross multiply
    19,684.49x = 29,543.79 × 10,331.12
  4. Step 4: Simplify right side
    19,684.49x = 305,220,330.77
  5. Step 5: Solve for x
    x = 305,220,330.77/19,684.49
  6. Step 6: Final answer
    x = 15,505.63

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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.