Home / 15,280.53-22,920.81-4,187.31

Finding the Fourth Proportional to 15,280.53, 22,920.81 and 4,187.31

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Solution

The fourth proportional to 15,280.53, 22,920.81 and 4,187.31 is: 6,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280.53 : 22,920.81 = 4,187.31 : x
  2. Step 2: Convert to fraction form
    15,280.53/22,920.81 = 4,187.31/x
  3. Step 3: Cross multiply
    15,280.53x = 22,920.81 × 4,187.31
  4. Step 4: Simplify right side
    15,280.53x = 95,976,536.92
  5. Step 5: Solve for x
    x = 95,976,536.92/15,280.53
  6. Step 6: Final answer
    x = 6,280.97

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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.