Home / 10,687.16-14,747.85-6,210.69

Finding the Fourth Proportional to 10,687.16, 14,747.85 and 6,210.69

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Solution

The fourth proportional to 10,687.16, 14,747.85 and 6,210.69 is: 8,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.16 : 14,747.85 = 6,210.69 : x
  2. Step 2: Convert to fraction form
    10,687.16/14,747.85 = 6,210.69/x
  3. Step 3: Cross multiply
    10,687.16x = 14,747.85 × 6,210.69
  4. Step 4: Simplify right side
    10,687.16x = 91,594,324.52
  5. Step 5: Solve for x
    x = 91,594,324.52/10,687.16
  6. Step 6: Final answer
    x = 8,570.51

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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.