Home / 10,756.86-14,834.61-6,976.08

Finding the Fourth Proportional to 10,756.86, 14,834.61 and 6,976.08

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Solution

The fourth proportional to 10,756.86, 14,834.61 and 6,976.08 is: 9,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.86 : 14,834.61 = 6,976.08 : x
  2. Step 2: Convert to fraction form
    10,756.86/14,834.61 = 6,976.08/x
  3. Step 3: Cross multiply
    10,756.86x = 14,834.61 × 6,976.08
  4. Step 4: Simplify right side
    10,756.86x = 103,487,426.13
  5. Step 5: Solve for x
    x = 103,487,426.13/10,756.86
  6. Step 6: Final answer
    x = 9,620.60

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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.