Home / 14,261.60-21,399.12-5,499.68

Finding the Fourth Proportional to 14,261.60, 21,399.12 and 5,499.68

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Solution

The fourth proportional to 14,261.60, 21,399.12 and 5,499.68 is: 8,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.60 : 21,399.12 = 5,499.68 : x
  2. Step 2: Convert to fraction form
    14,261.60/21,399.12 = 5,499.68/x
  3. Step 3: Cross multiply
    14,261.60x = 21,399.12 × 5,499.68
  4. Step 4: Simplify right side
    14,261.60x = 117,688,312.28
  5. Step 5: Solve for x
    x = 117,688,312.28/14,261.60
  6. Step 6: Final answer
    x = 8,252.11

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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.