Home / 13,612.04-20,411.76-4,249.16

Finding the Fourth Proportional to 13,612.04, 20,411.76 and 4,249.16

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Solution

The fourth proportional to 13,612.04, 20,411.76 and 4,249.16 is: 6,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.04 : 20,411.76 = 4,249.16 : x
  2. Step 2: Convert to fraction form
    13,612.04/20,411.76 = 4,249.16/x
  3. Step 3: Cross multiply
    13,612.04x = 20,411.76 × 4,249.16
  4. Step 4: Simplify right side
    13,612.04x = 86,732,834.12
  5. Step 5: Solve for x
    x = 86,732,834.12/13,612.04
  6. Step 6: Final answer
    x = 6,371.77

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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.