Home / 11,557.11-15,964.62-8,937.57

Finding the Fourth Proportional to 11,557.11, 15,964.62 and 8,937.57

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Solution

The fourth proportional to 11,557.11, 15,964.62 and 8,937.57 is: 12,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.11 : 15,964.62 = 8,937.57 : x
  2. Step 2: Convert to fraction form
    11,557.11/15,964.62 = 8,937.57/x
  3. Step 3: Cross multiply
    11,557.11x = 15,964.62 × 8,937.57
  4. Step 4: Simplify right side
    11,557.11x = 142,684,908.77
  5. Step 5: Solve for x
    x = 142,684,908.77/11,557.11
  6. Step 6: Final answer
    x = 12,346.07

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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.