Home / 10,257.56-14,155.44-5,541.84

Finding the Fourth Proportional to 10,257.56, 14,155.44 and 5,541.84

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Solution

The fourth proportional to 10,257.56, 14,155.44 and 5,541.84 is: 7,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.56 : 14,155.44 = 5,541.84 : x
  2. Step 2: Convert to fraction form
    10,257.56/14,155.44 = 5,541.84/x
  3. Step 3: Cross multiply
    10,257.56x = 14,155.44 × 5,541.84
  4. Step 4: Simplify right side
    10,257.56x = 78,447,183.61
  5. Step 5: Solve for x
    x = 78,447,183.61/10,257.56
  6. Step 6: Final answer
    x = 7,647.74

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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.