Home / 13,017.12-19,534.32-6,443.52

Finding the Fourth Proportional to 13,017.12, 19,534.32 and 6,443.52

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Solution

The fourth proportional to 13,017.12, 19,534.32 and 6,443.52 is: 9,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.12 : 19,534.32 = 6,443.52 : x
  2. Step 2: Convert to fraction form
    13,017.12/19,534.32 = 6,443.52/x
  3. Step 3: Cross multiply
    13,017.12x = 19,534.32 × 6,443.52
  4. Step 4: Simplify right side
    13,017.12x = 125,869,781.61
  5. Step 5: Solve for x
    x = 125,869,781.61/13,017.12
  6. Step 6: Final answer
    x = 9,669.56

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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.