Home / 17,437.68-26,120.07-13,001.72

Finding the Fourth Proportional to 17,437.68, 26,120.07 and 13,001.72

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Solution

The fourth proportional to 17,437.68, 26,120.07 and 13,001.72 is: 19,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,437.68 : 26,120.07 = 13,001.72 : x
  2. Step 2: Convert to fraction form
    17,437.68/26,120.07 = 13,001.72/x
  3. Step 3: Cross multiply
    17,437.68x = 26,120.07 × 13,001.72
  4. Step 4: Simplify right side
    17,437.68x = 339,605,705.92
  5. Step 5: Solve for x
    x = 339,605,705.92/17,437.68
  6. Step 6: Final answer
    x = 19,475.40

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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.