Home / 19,572.93-29,333.40-10,665.39

Finding the Fourth Proportional to 19,572.93, 29,333.40 and 10,665.39

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Solution

The fourth proportional to 19,572.93, 29,333.40 and 10,665.39 is: 15,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.93 : 29,333.40 = 10,665.39 : x
  2. Step 2: Convert to fraction form
    19,572.93/29,333.40 = 10,665.39/x
  3. Step 3: Cross multiply
    19,572.93x = 29,333.40 × 10,665.39
  4. Step 4: Simplify right side
    19,572.93x = 312,852,151.03
  5. Step 5: Solve for x
    x = 312,852,151.03/19,572.93
  6. Step 6: Final answer
    x = 15,983.92

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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.