Home / 14,015.10-21,022.65-5,248.20

Finding the Fourth Proportional to 14,015.10, 21,022.65 and 5,248.20

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Solution

The fourth proportional to 14,015.10, 21,022.65 and 5,248.20 is: 7,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.10 : 21,022.65 = 5,248.20 : x
  2. Step 2: Convert to fraction form
    14,015.10/21,022.65 = 5,248.20/x
  3. Step 3: Cross multiply
    14,015.10x = 21,022.65 × 5,248.20
  4. Step 4: Simplify right side
    14,015.10x = 110,331,071.73
  5. Step 5: Solve for x
    x = 110,331,071.73/14,015.10
  6. Step 6: Final answer
    x = 7,872.30

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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.