Home / 10,127.08-13,975.36-5,651.70

Finding the Fourth Proportional to 10,127.08, 13,975.36 and 5,651.70

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Solution

The fourth proportional to 10,127.08, 13,975.36 and 5,651.70 is: 7,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.08 : 13,975.36 = 5,651.70 : x
  2. Step 2: Convert to fraction form
    10,127.08/13,975.36 = 5,651.70/x
  3. Step 3: Cross multiply
    10,127.08x = 13,975.36 × 5,651.70
  4. Step 4: Simplify right side
    10,127.08x = 78,984,542.11
  5. Step 5: Solve for x
    x = 78,984,542.11/10,127.08
  6. Step 6: Final answer
    x = 7,799.34

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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.