Home / 10,437.89-15,645.87-4,886.55

Finding the Fourth Proportional to 10,437.89, 15,645.87 and 4,886.55

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Solution

The fourth proportional to 10,437.89, 15,645.87 and 4,886.55 is: 7,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.89 : 15,645.87 = 4,886.55 : x
  2. Step 2: Convert to fraction form
    10,437.89/15,645.87 = 4,886.55/x
  3. Step 3: Cross multiply
    10,437.89x = 15,645.87 × 4,886.55
  4. Step 4: Simplify right side
    10,437.89x = 76,454,326.05
  5. Step 5: Solve for x
    x = 76,454,326.05/10,437.89
  6. Step 6: Final answer
    x = 7,324.70

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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.