Home / 21,446.32-29,594.28-12,013.60

Finding the Fourth Proportional to 21,446.32, 29,594.28 and 12,013.60

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Solution

The fourth proportional to 21,446.32, 29,594.28 and 12,013.60 is: 16,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.32 : 29,594.28 = 12,013.60 : x
  2. Step 2: Convert to fraction form
    21,446.32/29,594.28 = 12,013.60/x
  3. Step 3: Cross multiply
    21,446.32x = 29,594.28 × 12,013.60
  4. Step 4: Simplify right side
    21,446.32x = 355,533,842.21
  5. Step 5: Solve for x
    x = 355,533,842.21/21,446.32
  6. Step 6: Final answer
    x = 16,577.85

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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.