Home / 19,545.57-29,315.29-6,397.65

Finding the Fourth Proportional to 19,545.57, 29,315.29 and 6,397.65

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Solution

The fourth proportional to 19,545.57, 29,315.29 and 6,397.65 is: 9,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.57 : 29,315.29 = 6,397.65 : x
  2. Step 2: Convert to fraction form
    19,545.57/29,315.29 = 6,397.65/x
  3. Step 3: Cross multiply
    19,545.57x = 29,315.29 × 6,397.65
  4. Step 4: Simplify right side
    19,545.57x = 187,548,965.07
  5. Step 5: Solve for x
    x = 187,548,965.07/19,545.57
  6. Step 6: Final answer
    x = 9,595.47

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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.