Home / 11,557.05-15,948.63-6,251.82

Finding the Fourth Proportional to 11,557.05, 15,948.63 and 6,251.82

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Solution

The fourth proportional to 11,557.05, 15,948.63 and 6,251.82 is: 8,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.05 : 15,948.63 = 6,251.82 : x
  2. Step 2: Convert to fraction form
    11,557.05/15,948.63 = 6,251.82/x
  3. Step 3: Cross multiply
    11,557.05x = 15,948.63 × 6,251.82
  4. Step 4: Simplify right side
    11,557.05x = 99,707,964.01
  5. Step 5: Solve for x
    x = 99,707,964.01/11,557.05
  6. Step 6: Final answer
    x = 8,627.46

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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.