Home / 18,730.20-25,878.06-18,545.88

Finding the Fourth Proportional to 18,730.20, 25,878.06 and 18,545.88

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Solution

The fourth proportional to 18,730.20, 25,878.06 and 18,545.88 is: 25,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.20 : 25,878.06 = 18,545.88 : x
  2. Step 2: Convert to fraction form
    18,730.20/25,878.06 = 18,545.88/x
  3. Step 3: Cross multiply
    18,730.20x = 25,878.06 × 18,545.88
  4. Step 4: Simplify right side
    18,730.20x = 479,931,395.39
  5. Step 5: Solve for x
    x = 479,931,395.39/18,730.20
  6. Step 6: Final answer
    x = 25,623.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.