Home / 15,454.35-23,139.96-12,714.09

Finding the Fourth Proportional to 15,454.35, 23,139.96 and 12,714.09

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Solution

The fourth proportional to 15,454.35, 23,139.96 and 12,714.09 is: 19,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.35 : 23,139.96 = 12,714.09 : x
  2. Step 2: Convert to fraction form
    15,454.35/23,139.96 = 12,714.09/x
  3. Step 3: Cross multiply
    15,454.35x = 23,139.96 × 12,714.09
  4. Step 4: Simplify right side
    15,454.35x = 294,203,534.04
  5. Step 5: Solve for x
    x = 294,203,534.04/15,454.35
  6. Step 6: Final answer
    x = 19,036.94

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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.