Home / 14,718.77-20,311.46-8,345.94

Finding the Fourth Proportional to 14,718.77, 20,311.46 and 8,345.94

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Solution

The fourth proportional to 14,718.77, 20,311.46 and 8,345.94 is: 11,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.77 : 20,311.46 = 8,345.94 : x
  2. Step 2: Convert to fraction form
    14,718.77/20,311.46 = 8,345.94/x
  3. Step 3: Cross multiply
    14,718.77x = 20,311.46 × 8,345.94
  4. Step 4: Simplify right side
    14,718.77x = 169,518,243.75
  5. Step 5: Solve for x
    x = 169,518,243.75/14,718.77
  6. Step 6: Final answer
    x = 11,517.15

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Double scale
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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.