Home / 18,816.95-28,225.15-4,585.48

Finding the Fourth Proportional to 18,816.95, 28,225.15 and 4,585.48

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Solution

The fourth proportional to 18,816.95, 28,225.15 and 4,585.48 is: 6,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.95 : 28,225.15 = 4,585.48 : x
  2. Step 2: Convert to fraction form
    18,816.95/28,225.15 = 4,585.48/x
  3. Step 3: Cross multiply
    18,816.95x = 28,225.15 × 4,585.48
  4. Step 4: Simplify right side
    18,816.95x = 129,425,778.80
  5. Step 5: Solve for x
    x = 129,425,778.80/18,816.95
  6. Step 6: Final answer
    x = 6,878.15

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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.