Home / 12,934.10-17,848.30-7,555.90

Finding the Fourth Proportional to 12,934.10, 17,848.30 and 7,555.90

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Solution

The fourth proportional to 12,934.10, 17,848.30 and 7,555.90 is: 10,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.10 : 17,848.30 = 7,555.90 : x
  2. Step 2: Convert to fraction form
    12,934.10/17,848.30 = 7,555.90/x
  3. Step 3: Cross multiply
    12,934.10x = 17,848.30 × 7,555.90
  4. Step 4: Simplify right side
    12,934.10x = 134,859,969.97
  5. Step 5: Solve for x
    x = 134,859,969.97/12,934.10
  6. Step 6: Final answer
    x = 10,426.70

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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.