Home / 10,512.65-14,500.55-6,320.90

Finding the Fourth Proportional to 10,512.65, 14,500.55 and 6,320.90

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Solution

The fourth proportional to 10,512.65, 14,500.55 and 6,320.90 is: 8,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.65 : 14,500.55 = 6,320.90 : x
  2. Step 2: Convert to fraction form
    10,512.65/14,500.55 = 6,320.90/x
  3. Step 3: Cross multiply
    10,512.65x = 14,500.55 × 6,320.90
  4. Step 4: Simplify right side
    10,512.65x = 91,656,422.39
  5. Step 5: Solve for x
    x = 91,656,422.39/10,512.65
  6. Step 6: Final answer
    x = 8,718.68

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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.