Home / 10,599.11-14,617.22-6,620.61

Finding the Fourth Proportional to 10,599.11, 14,617.22 and 6,620.61

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Solution

The fourth proportional to 10,599.11, 14,617.22 and 6,620.61 is: 9,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.11 : 14,617.22 = 6,620.61 : x
  2. Step 2: Convert to fraction form
    10,599.11/14,617.22 = 6,620.61/x
  3. Step 3: Cross multiply
    10,599.11x = 14,617.22 × 6,620.61
  4. Step 4: Simplify right side
    10,599.11x = 96,774,879.80
  5. Step 5: Solve for x
    x = 96,774,879.80/10,599.11
  6. Step 6: Final answer
    x = 9,130.48

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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.