Home / 19,490.05-29,217.65-7,641.06

Finding the Fourth Proportional to 19,490.05, 29,217.65 and 7,641.06

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Solution

The fourth proportional to 19,490.05, 29,217.65 and 7,641.06 is: 11,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.05 : 29,217.65 = 7,641.06 : x
  2. Step 2: Convert to fraction form
    19,490.05/29,217.65 = 7,641.06/x
  3. Step 3: Cross multiply
    19,490.05x = 29,217.65 × 7,641.06
  4. Step 4: Simplify right side
    19,490.05x = 223,253,816.71
  5. Step 5: Solve for x
    x = 223,253,816.71/19,490.05
  6. Step 6: Final answer
    x = 11,454.76

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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.