Home / 12,378.08-17,080.17-7,073.24

Finding the Fourth Proportional to 12,378.08, 17,080.17 and 7,073.24

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Solution

The fourth proportional to 12,378.08, 17,080.17 and 7,073.24 is: 9,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.08 : 17,080.17 = 7,073.24 : x
  2. Step 2: Convert to fraction form
    12,378.08/17,080.17 = 7,073.24/x
  3. Step 3: Cross multiply
    12,378.08x = 17,080.17 × 7,073.24
  4. Step 4: Simplify right side
    12,378.08x = 120,812,056.25
  5. Step 5: Solve for x
    x = 120,812,056.25/12,378.08
  6. Step 6: Final answer
    x = 9,760.17

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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.