Home / 10,127.04-13,976.28-6,147.24

Finding the Fourth Proportional to 10,127.04, 13,976.28 and 6,147.24

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Solution

The fourth proportional to 10,127.04, 13,976.28 and 6,147.24 is: 8,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.04 : 13,976.28 = 6,147.24 : x
  2. Step 2: Convert to fraction form
    10,127.04/13,976.28 = 6,147.24/x
  3. Step 3: Cross multiply
    10,127.04x = 13,976.28 × 6,147.24
  4. Step 4: Simplify right side
    10,127.04x = 85,915,547.47
  5. Step 5: Solve for x
    x = 85,915,547.47/10,127.04
  6. Step 6: Final answer
    x = 8,483.78

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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.