Home / 14,001.06-20,995.40-7,425.74

Finding the Fourth Proportional to 14,001.06, 20,995.40 and 7,425.74

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Solution

The fourth proportional to 14,001.06, 20,995.40 and 7,425.74 is: 11,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.06 : 20,995.40 = 7,425.74 : x
  2. Step 2: Convert to fraction form
    14,001.06/20,995.40 = 7,425.74/x
  3. Step 3: Cross multiply
    14,001.06x = 20,995.40 × 7,425.74
  4. Step 4: Simplify right side
    14,001.06x = 155,906,381.60
  5. Step 5: Solve for x
    x = 155,906,381.60/14,001.06
  6. Step 6: Final answer
    x = 11,135.33

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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.