Home / 10,280.60-14,187.24-5,564.84

Finding the Fourth Proportional to 10,280.60, 14,187.24 and 5,564.84

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Solution

The fourth proportional to 10,280.60, 14,187.24 and 5,564.84 is: 7,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.60 : 14,187.24 = 5,564.84 : x
  2. Step 2: Convert to fraction form
    10,280.60/14,187.24 = 5,564.84/x
  3. Step 3: Cross multiply
    10,280.60x = 14,187.24 × 5,564.84
  4. Step 4: Simplify right side
    10,280.60x = 78,949,720.64
  5. Step 5: Solve for x
    x = 78,949,720.64/10,280.60
  6. Step 6: Final answer
    x = 7,679.49

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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.