Home / 12,344.32-18,521.04-8,862.16

Finding the Fourth Proportional to 12,344.32, 18,521.04 and 8,862.16

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Solution

The fourth proportional to 12,344.32, 18,521.04 and 8,862.16 is: 13,296.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.32 : 18,521.04 = 8,862.16 : x
  2. Step 2: Convert to fraction form
    12,344.32/18,521.04 = 8,862.16/x
  3. Step 3: Cross multiply
    12,344.32x = 18,521.04 × 8,862.16
  4. Step 4: Simplify right side
    12,344.32x = 164,136,419.85
  5. Step 5: Solve for x
    x = 164,136,419.85/12,344.32
  6. Step 6: Final answer
    x = 13,296.51

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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.