Home / 19,330.38-29,006.73-10,445.74

Finding the Fourth Proportional to 19,330.38, 29,006.73 and 10,445.74

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Solution

The fourth proportional to 19,330.38, 29,006.73 and 10,445.74 is: 15,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.38 : 29,006.73 = 10,445.74 : x
  2. Step 2: Convert to fraction form
    19,330.38/29,006.73 = 10,445.74/x
  3. Step 3: Cross multiply
    19,330.38x = 29,006.73 × 10,445.74
  4. Step 4: Simplify right side
    19,330.38x = 302,996,687.31
  5. Step 5: Solve for x
    x = 302,996,687.31/19,330.38
  6. Step 6: Final answer
    x = 15,674.64

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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.