Home / 9,354.25-12,909.14-5,162.77

Finding the Fourth Proportional to 9,354.25, 12,909.14 and 5,162.77

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Solution

The fourth proportional to 9,354.25, 12,909.14 and 5,162.77 is: 7,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.25 : 12,909.14 = 5,162.77 : x
  2. Step 2: Convert to fraction form
    9,354.25/12,909.14 = 5,162.77/x
  3. Step 3: Cross multiply
    9,354.25x = 12,909.14 × 5,162.77
  4. Step 4: Simplify right side
    9,354.25x = 66,646,920.72
  5. Step 5: Solve for x
    x = 66,646,920.72/9,354.25
  6. Step 6: Final answer
    x = 7,124.77

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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.