Home / 12,545.47-18,816.85-6,300.37

Finding the Fourth Proportional to 12,545.47, 18,816.85 and 6,300.37

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Solution

The fourth proportional to 12,545.47, 18,816.85 and 6,300.37 is: 9,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.47 : 18,816.85 = 6,300.37 : x
  2. Step 2: Convert to fraction form
    12,545.47/18,816.85 = 6,300.37/x
  3. Step 3: Cross multiply
    12,545.47x = 18,816.85 × 6,300.37
  4. Step 4: Simplify right side
    12,545.47x = 118,553,117.23
  5. Step 5: Solve for x
    x = 118,553,117.23/12,545.47
  6. Step 6: Final answer
    x = 9,449.87

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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.