Home / 17,731.95-24,469.62-9,774.20

Finding the Fourth Proportional to 17,731.95, 24,469.62 and 9,774.20

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Solution

The fourth proportional to 17,731.95, 24,469.62 and 9,774.20 is: 13,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.95 : 24,469.62 = 9,774.20 : x
  2. Step 2: Convert to fraction form
    17,731.95/24,469.62 = 9,774.20/x
  3. Step 3: Cross multiply
    17,731.95x = 24,469.62 × 9,774.20
  4. Step 4: Simplify right side
    17,731.95x = 239,171,011.81
  5. Step 5: Solve for x
    x = 239,171,011.81/17,731.95
  6. Step 6: Final answer
    x = 13,488.14

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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.