Home / 16,774.32-23,149.08-12,575.28

Finding the Fourth Proportional to 16,774.32, 23,149.08 and 12,575.28

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Solution

The fourth proportional to 16,774.32, 23,149.08 and 12,575.28 is: 17,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.32 : 23,149.08 = 12,575.28 : x
  2. Step 2: Convert to fraction form
    16,774.32/23,149.08 = 12,575.28/x
  3. Step 3: Cross multiply
    16,774.32x = 23,149.08 × 12,575.28
  4. Step 4: Simplify right side
    16,774.32x = 291,106,162.74
  5. Step 5: Solve for x
    x = 291,106,162.74/16,774.32
  6. Step 6: Final answer
    x = 17,354.28

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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.