Home / 14,621.38-20,184.18-8,570.80

Finding the Fourth Proportional to 14,621.38, 20,184.18 and 8,570.80

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Solution

The fourth proportional to 14,621.38, 20,184.18 and 8,570.80 is: 11,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.38 : 20,184.18 = 8,570.80 : x
  2. Step 2: Convert to fraction form
    14,621.38/20,184.18 = 8,570.80/x
  3. Step 3: Cross multiply
    14,621.38x = 20,184.18 × 8,570.80
  4. Step 4: Simplify right side
    14,621.38x = 172,994,569.94
  5. Step 5: Solve for x
    x = 172,994,569.94/14,621.38
  6. Step 6: Final answer
    x = 11,831.62

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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.