Home / 15,001.12-20,690.04-9,026.56

Finding the Fourth Proportional to 15,001.12, 20,690.04 and 9,026.56

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Solution

The fourth proportional to 15,001.12, 20,690.04 and 9,026.56 is: 12,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.12 : 20,690.04 = 9,026.56 : x
  2. Step 2: Convert to fraction form
    15,001.12/20,690.04 = 9,026.56/x
  3. Step 3: Cross multiply
    15,001.12x = 20,690.04 × 9,026.56
  4. Step 4: Simplify right side
    15,001.12x = 186,759,887.46
  5. Step 5: Solve for x
    x = 186,759,887.46/15,001.12
  6. Step 6: Final answer
    x = 12,449.73

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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.