Home / 11,339.34-16,977.51-8,557.62

Finding the Fourth Proportional to 11,339.34, 16,977.51 and 8,557.62

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Solution

The fourth proportional to 11,339.34, 16,977.51 and 8,557.62 is: 12,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.34 : 16,977.51 = 8,557.62 : x
  2. Step 2: Convert to fraction form
    11,339.34/16,977.51 = 8,557.62/x
  3. Step 3: Cross multiply
    11,339.34x = 16,977.51 × 8,557.62
  4. Step 4: Simplify right side
    11,339.34x = 145,287,079.13
  5. Step 5: Solve for x
    x = 145,287,079.13/11,339.34
  6. Step 6: Final answer
    x = 12,812.66

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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.