Home / 11,345.16-17,005.13-8,562.81

Finding the Fourth Proportional to 11,345.16, 17,005.13 and 8,562.81

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Solution

The fourth proportional to 11,345.16, 17,005.13 and 8,562.81 is: 12,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.16 : 17,005.13 = 8,562.81 : x
  2. Step 2: Convert to fraction form
    11,345.16/17,005.13 = 8,562.81/x
  3. Step 3: Cross multiply
    11,345.16x = 17,005.13 × 8,562.81
  4. Step 4: Simplify right side
    11,345.16x = 145,611,697.22
  5. Step 5: Solve for x
    x = 145,611,697.22/11,345.16
  6. Step 6: Final answer
    x = 12,834.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.