Home / 19,014.91-28,520.18-4,976.29

Finding the Fourth Proportional to 19,014.91, 28,520.18 and 4,976.29

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Solution

The fourth proportional to 19,014.91, 28,520.18 and 4,976.29 is: 7,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.91 : 28,520.18 = 4,976.29 : x
  2. Step 2: Convert to fraction form
    19,014.91/28,520.18 = 4,976.29/x
  3. Step 3: Cross multiply
    19,014.91x = 28,520.18 × 4,976.29
  4. Step 4: Simplify right side
    19,014.91x = 141,924,686.53
  5. Step 5: Solve for x
    x = 141,924,686.53/19,014.91
  6. Step 6: Final answer
    x = 7,463.86

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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.