Home / 19,693.47-29,548.98-10,331.31

Finding the Fourth Proportional to 19,693.47, 29,548.98 and 10,331.31

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Solution

The fourth proportional to 19,693.47, 29,548.98 and 10,331.31 is: 15,501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.47 : 29,548.98 = 10,331.31 : x
  2. Step 2: Convert to fraction form
    19,693.47/29,548.98 = 10,331.31/x
  3. Step 3: Cross multiply
    19,693.47x = 29,548.98 × 10,331.31
  4. Step 4: Simplify right side
    19,693.47x = 305,279,672.56
  5. Step 5: Solve for x
    x = 305,279,672.56/19,693.47
  6. Step 6: Final answer
    x = 15,501.57

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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.