Home / 10,127.04-13,976-5,651.65

Finding the Fourth Proportional to 10,127.04, 13,976 and 5,651.65

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Solution

The fourth proportional to 10,127.04, 13,976 and 5,651.65 is: 7,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.04 : 13,976 = 5,651.65 : x
  2. Step 2: Convert to fraction form
    10,127.04/13,976 = 5,651.65/x
  3. Step 3: Cross multiply
    10,127.04x = 13,976 × 5,651.65
  4. Step 4: Simplify right side
    10,127.04x = 78,987,460.40
  5. Step 5: Solve for x
    x = 78,987,460.40/10,127.04
  6. Step 6: Final answer
    x = 7,799.66

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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.