Home / 10,131.14-13,967.16-6,981.86

Finding the Fourth Proportional to 10,131.14, 13,967.16 and 6,981.86

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Solution

The fourth proportional to 10,131.14, 13,967.16 and 6,981.86 is: 9,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.14 : 13,967.16 = 6,981.86 : x
  2. Step 2: Convert to fraction form
    10,131.14/13,967.16 = 6,981.86/x
  3. Step 3: Cross multiply
    10,131.14x = 13,967.16 × 6,981.86
  4. Step 4: Simplify right side
    10,131.14x = 97,516,755.72
  5. Step 5: Solve for x
    x = 97,516,755.72/10,131.14
  6. Step 6: Final answer
    x = 9,625.45

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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.