Home / 12,545.20-18,811.32-6,298.48

Finding the Fourth Proportional to 12,545.20, 18,811.32 and 6,298.48

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Solution

The fourth proportional to 12,545.20, 18,811.32 and 6,298.48 is: 9,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.20 : 18,811.32 = 6,298.48 : x
  2. Step 2: Convert to fraction form
    12,545.20/18,811.32 = 6,298.48/x
  3. Step 3: Cross multiply
    12,545.20x = 18,811.32 × 6,298.48
  4. Step 4: Simplify right side
    12,545.20x = 118,482,722.79
  5. Step 5: Solve for x
    x = 118,482,722.79/12,545.20
  6. Step 6: Final answer
    x = 9,444.47

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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.