Home / 14,265.60-21,349.80-13,099.20

Finding the Fourth Proportional to 14,265.60, 21,349.80 and 13,099.20

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Solution

The fourth proportional to 14,265.60, 21,349.80 and 13,099.20 is: 19,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.60 : 21,349.80 = 13,099.20 : x
  2. Step 2: Convert to fraction form
    14,265.60/21,349.80 = 13,099.20/x
  3. Step 3: Cross multiply
    14,265.60x = 21,349.80 × 13,099.20
  4. Step 4: Simplify right side
    14,265.60x = 279,665,300.16
  5. Step 5: Solve for x
    x = 279,665,300.16/14,265.60
  6. Step 6: Final answer
    x = 19,604.17

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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.