Home / 19,001.29-28,502.43-9,003.69

Finding the Fourth Proportional to 19,001.29, 28,502.43 and 9,003.69

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Solution

The fourth proportional to 19,001.29, 28,502.43 and 9,003.69 is: 13,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.29 : 28,502.43 = 9,003.69 : x
  2. Step 2: Convert to fraction form
    19,001.29/28,502.43 = 9,003.69/x
  3. Step 3: Cross multiply
    19,001.29x = 28,502.43 × 9,003.69
  4. Step 4: Simplify right side
    19,001.29x = 256,626,998.95
  5. Step 5: Solve for x
    x = 256,626,998.95/19,001.29
  6. Step 6: Final answer
    x = 13,505.77

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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.