Home / 12,530.10-17,293.38-7,223.88

Finding the Fourth Proportional to 12,530.10, 17,293.38 and 7,223.88

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Solution

The fourth proportional to 12,530.10, 17,293.38 and 7,223.88 is: 9,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.10 : 17,293.38 = 7,223.88 : x
  2. Step 2: Convert to fraction form
    12,530.10/17,293.38 = 7,223.88/x
  3. Step 3: Cross multiply
    12,530.10x = 17,293.38 × 7,223.88
  4. Step 4: Simplify right side
    12,530.10x = 124,925,301.91
  5. Step 5: Solve for x
    x = 124,925,301.91/12,530.10
  6. Step 6: Final answer
    x = 9,970.02

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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.