Home / 22,457.36-30,991.20-12,385.52

Finding the Fourth Proportional to 22,457.36, 30,991.20 and 12,385.52

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Solution

The fourth proportional to 22,457.36, 30,991.20 and 12,385.52 is: 17,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.36 : 30,991.20 = 12,385.52 : x
  2. Step 2: Convert to fraction form
    22,457.36/30,991.20 = 12,385.52/x
  3. Step 3: Cross multiply
    22,457.36x = 30,991.20 × 12,385.52
  4. Step 4: Simplify right side
    22,457.36x = 383,842,127.42
  5. Step 5: Solve for x
    x = 383,842,127.42/22,457.36
  6. Step 6: Final answer
    x = 17,092.04

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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.