Home / 17,378.80-26,061.72-6,987.04

Finding the Fourth Proportional to 17,378.80, 26,061.72 and 6,987.04

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Solution

The fourth proportional to 17,378.80, 26,061.72 and 6,987.04 is: 10,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.80 : 26,061.72 = 6,987.04 : x
  2. Step 2: Convert to fraction form
    17,378.80/26,061.72 = 6,987.04/x
  3. Step 3: Cross multiply
    17,378.80x = 26,061.72 × 6,987.04
  4. Step 4: Simplify right side
    17,378.80x = 182,094,280.11
  5. Step 5: Solve for x
    x = 182,094,280.11/17,378.80
  6. Step 6: Final answer
    x = 10,477.95

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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.