Home / 13,471.56-20,207.35-7,545.65

Finding the Fourth Proportional to 13,471.56, 20,207.35 and 7,545.65

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Solution

The fourth proportional to 13,471.56, 20,207.35 and 7,545.65 is: 11,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.56 : 20,207.35 = 7,545.65 : x
  2. Step 2: Convert to fraction form
    13,471.56/20,207.35 = 7,545.65/x
  3. Step 3: Cross multiply
    13,471.56x = 20,207.35 × 7,545.65
  4. Step 4: Simplify right side
    13,471.56x = 152,477,498.92
  5. Step 5: Solve for x
    x = 152,477,498.92/13,471.56
  6. Step 6: Final answer
    x = 11,318.47

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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.