Home / 10,217.29-14,106.32-6,686.47

Finding the Fourth Proportional to 10,217.29, 14,106.32 and 6,686.47

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Solution

The fourth proportional to 10,217.29, 14,106.32 and 6,686.47 is: 9,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.29 : 14,106.32 = 6,686.47 : x
  2. Step 2: Convert to fraction form
    10,217.29/14,106.32 = 6,686.47/x
  3. Step 3: Cross multiply
    10,217.29x = 14,106.32 × 6,686.47
  4. Step 4: Simplify right side
    10,217.29x = 94,321,485.49
  5. Step 5: Solve for x
    x = 94,321,485.49/10,217.29
  6. Step 6: Final answer
    x = 9,231.56

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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.