Home / 9,013.73-12,439.15-4,980.56

Finding the Fourth Proportional to 9,013.73, 12,439.15 and 4,980.56

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Solution

The fourth proportional to 9,013.73, 12,439.15 and 4,980.56 is: 6,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.73 : 12,439.15 = 4,980.56 : x
  2. Step 2: Convert to fraction form
    9,013.73/12,439.15 = 4,980.56/x
  3. Step 3: Cross multiply
    9,013.73x = 12,439.15 × 4,980.56
  4. Step 4: Simplify right side
    9,013.73x = 61,953,858.28
  5. Step 5: Solve for x
    x = 61,953,858.28/9,013.73
  6. Step 6: Final answer
    x = 6,873.28

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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.