Home / 10,127.69-13,976.51-5,651.35

Finding the Fourth Proportional to 10,127.69, 13,976.51 and 5,651.35

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Solution

The fourth proportional to 10,127.69, 13,976.51 and 5,651.35 is: 7,799.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.69 : 13,976.51 = 5,651.35 : x
  2. Step 2: Convert to fraction form
    10,127.69/13,976.51 = 5,651.35/x
  3. Step 3: Cross multiply
    10,127.69x = 13,976.51 × 5,651.35
  4. Step 4: Simplify right side
    10,127.69x = 78,986,051.65
  5. Step 5: Solve for x
    x = 78,986,051.65/10,127.69
  6. Step 6: Final answer
    x = 7,799.02

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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.