Home / 17,678.60-24,407.22-12,299.04

Finding the Fourth Proportional to 17,678.60, 24,407.22 and 12,299.04

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Solution

The fourth proportional to 17,678.60, 24,407.22 and 12,299.04 is: 16,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.60 : 24,407.22 = 12,299.04 : x
  2. Step 2: Convert to fraction form
    17,678.60/24,407.22 = 12,299.04/x
  3. Step 3: Cross multiply
    17,678.60x = 24,407.22 × 12,299.04
  4. Step 4: Simplify right side
    17,678.60x = 300,185,421.19
  5. Step 5: Solve for x
    x = 300,185,421.19/17,678.60
  6. Step 6: Final answer
    x = 16,980.15

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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.