Home / 17,001.40-23,437.26-12,278.20

Finding the Fourth Proportional to 17,001.40, 23,437.26 and 12,278.20

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Solution

The fourth proportional to 17,001.40, 23,437.26 and 12,278.20 is: 16,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.40 : 23,437.26 = 12,278.20 : x
  2. Step 2: Convert to fraction form
    17,001.40/23,437.26 = 12,278.20/x
  3. Step 3: Cross multiply
    17,001.40x = 23,437.26 × 12,278.20
  4. Step 4: Simplify right side
    17,001.40x = 287,767,365.73
  5. Step 5: Solve for x
    x = 287,767,365.73/17,001.40
  6. Step 6: Final answer
    x = 16,926.10

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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.