Home / 9,689.52-13,367.56-7,031.04

Finding the Fourth Proportional to 9,689.52, 13,367.56 and 7,031.04

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Solution

The fourth proportional to 9,689.52, 13,367.56 and 7,031.04 is: 9,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689.52 : 13,367.56 = 7,031.04 : x
  2. Step 2: Convert to fraction form
    9,689.52/13,367.56 = 7,031.04/x
  3. Step 3: Cross multiply
    9,689.52x = 13,367.56 × 7,031.04
  4. Step 4: Simplify right side
    9,689.52x = 93,987,849.06
  5. Step 5: Solve for x
    x = 93,987,849.06/9,689.52
  6. Step 6: Final answer
    x = 9,699.95

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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.