Home / 10,228.07-14,114.49-6,691.20

Finding the Fourth Proportional to 10,228.07, 14,114.49 and 6,691.20

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Solution

The fourth proportional to 10,228.07, 14,114.49 and 6,691.20 is: 9,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.07 : 14,114.49 = 6,691.20 : x
  2. Step 2: Convert to fraction form
    10,228.07/14,114.49 = 6,691.20/x
  3. Step 3: Cross multiply
    10,228.07x = 14,114.49 × 6,691.20
  4. Step 4: Simplify right side
    10,228.07x = 94,442,875.49
  5. Step 5: Solve for x
    x = 94,442,875.49/10,228.07
  6. Step 6: Final answer
    x = 9,233.69

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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.