Home / 21,599.30-29,806.48-12,039.24

Finding the Fourth Proportional to 21,599.30, 29,806.48 and 12,039.24

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Solution

The fourth proportional to 21,599.30, 29,806.48 and 12,039.24 is: 16,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.30 : 29,806.48 = 12,039.24 : x
  2. Step 2: Convert to fraction form
    21,599.30/29,806.48 = 12,039.24/x
  3. Step 3: Cross multiply
    21,599.30x = 29,806.48 × 12,039.24
  4. Step 4: Simplify right side
    21,599.30x = 358,847,366.28
  5. Step 5: Solve for x
    x = 358,847,366.28/21,599.30
  6. Step 6: Final answer
    x = 16,613.84

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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.