Home / 10,866.32-14,995.76-6,617.58

Finding the Fourth Proportional to 10,866.32, 14,995.76 and 6,617.58

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Solution

The fourth proportional to 10,866.32, 14,995.76 and 6,617.58 is: 9,132.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.32 : 14,995.76 = 6,617.58 : x
  2. Step 2: Convert to fraction form
    10,866.32/14,995.76 = 6,617.58/x
  3. Step 3: Cross multiply
    10,866.32x = 14,995.76 × 6,617.58
  4. Step 4: Simplify right side
    10,866.32x = 99,235,641.46
  5. Step 5: Solve for x
    x = 99,235,641.46/10,866.32
  6. Step 6: Final answer
    x = 9,132.41

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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.