Home / 12,470.04-18,707.22-5,545.08

Finding the Fourth Proportional to 12,470.04, 18,707.22 and 5,545.08

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Solution

The fourth proportional to 12,470.04, 18,707.22 and 5,545.08 is: 8,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470.04 : 18,707.22 = 5,545.08 : x
  2. Step 2: Convert to fraction form
    12,470.04/18,707.22 = 5,545.08/x
  3. Step 3: Cross multiply
    12,470.04x = 18,707.22 × 5,545.08
  4. Step 4: Simplify right side
    12,470.04x = 103,733,031.48
  5. Step 5: Solve for x
    x = 103,733,031.48/12,470.04
  6. Step 6: Final answer
    x = 8,318.58

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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.