Home / 10,127.45-13,975.21-6,350.46

Finding the Fourth Proportional to 10,127.45, 13,975.21 and 6,350.46

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Solution

The fourth proportional to 10,127.45, 13,975.21 and 6,350.46 is: 8,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.45 : 13,975.21 = 6,350.46 : x
  2. Step 2: Convert to fraction form
    10,127.45/13,975.21 = 6,350.46/x
  3. Step 3: Cross multiply
    10,127.45x = 13,975.21 × 6,350.46
  4. Step 4: Simplify right side
    10,127.45x = 88,749,012.10
  5. Step 5: Solve for x
    x = 88,749,012.10/10,127.45
  6. Step 6: Final answer
    x = 8,763.21

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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.