Home / 12,342.30-17,025.30-7,036.20

Finding the Fourth Proportional to 12,342.30, 17,025.30 and 7,036.20

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Solution

The fourth proportional to 12,342.30, 17,025.30 and 7,036.20 is: 9,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.30 : 17,025.30 = 7,036.20 : x
  2. Step 2: Convert to fraction form
    12,342.30/17,025.30 = 7,036.20/x
  3. Step 3: Cross multiply
    12,342.30x = 17,025.30 × 7,036.20
  4. Step 4: Simplify right side
    12,342.30x = 119,793,415.86
  5. Step 5: Solve for x
    x = 119,793,415.86/12,342.30
  6. Step 6: Final answer
    x = 9,705.92

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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.