Home / 10,691.03-14,733.20-9,291.35

Finding the Fourth Proportional to 10,691.03, 14,733.20 and 9,291.35

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Solution

The fourth proportional to 10,691.03, 14,733.20 and 9,291.35 is: 12,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.03 : 14,733.20 = 9,291.35 : x
  2. Step 2: Convert to fraction form
    10,691.03/14,733.20 = 9,291.35/x
  3. Step 3: Cross multiply
    10,691.03x = 14,733.20 × 9,291.35
  4. Step 4: Simplify right side
    10,691.03x = 136,891,267.38
  5. Step 5: Solve for x
    x = 136,891,267.38/10,691.03
  6. Step 6: Final answer
    x = 12,804.32

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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.