Home / 19,943.59-29,921.22-5,903.98

Finding the Fourth Proportional to 19,943.59, 29,921.22 and 5,903.98

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Solution

The fourth proportional to 19,943.59, 29,921.22 and 5,903.98 is: 8,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.59 : 29,921.22 = 5,903.98 : x
  2. Step 2: Convert to fraction form
    19,943.59/29,921.22 = 5,903.98/x
  3. Step 3: Cross multiply
    19,943.59x = 29,921.22 × 5,903.98
  4. Step 4: Simplify right side
    19,943.59x = 176,654,284.46
  5. Step 5: Solve for x
    x = 176,654,284.46/19,943.59
  6. Step 6: Final answer
    x = 8,857.70

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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.