Home / 18,001.04-24,830.51-11,617.61

Finding the Fourth Proportional to 18,001.04, 24,830.51 and 11,617.61

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Solution

The fourth proportional to 18,001.04, 24,830.51 and 11,617.61 is: 16,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.04 : 24,830.51 = 11,617.61 : x
  2. Step 2: Convert to fraction form
    18,001.04/24,830.51 = 11,617.61/x
  3. Step 3: Cross multiply
    18,001.04x = 24,830.51 × 11,617.61
  4. Step 4: Simplify right side
    18,001.04x = 288,470,999.04
  5. Step 5: Solve for x
    x = 288,470,999.04/18,001.04
  6. Step 6: Final answer
    x = 16,025.25

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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.