Home / 23,999.06-33,119.61-13,390.74

Finding the Fourth Proportional to 23,999.06, 33,119.61 and 13,390.74

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Solution

The fourth proportional to 23,999.06, 33,119.61 and 13,390.74 is: 18,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.06 : 33,119.61 = 13,390.74 : x
  2. Step 2: Convert to fraction form
    23,999.06/33,119.61 = 13,390.74/x
  3. Step 3: Cross multiply
    23,999.06x = 33,119.61 × 13,390.74
  4. Step 4: Simplify right side
    23,999.06x = 443,496,036.20
  5. Step 5: Solve for x
    x = 443,496,036.20/23,999.06
  6. Step 6: Final answer
    x = 18,479.72

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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.