Home / 13,248.03-19,872.15-3,888.20

Finding the Fourth Proportional to 13,248.03, 19,872.15 and 3,888.20

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Solution

The fourth proportional to 13,248.03, 19,872.15 and 3,888.20 is: 5,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.03 : 19,872.15 = 3,888.20 : x
  2. Step 2: Convert to fraction form
    13,248.03/19,872.15 = 3,888.20/x
  3. Step 3: Cross multiply
    13,248.03x = 19,872.15 × 3,888.20
  4. Step 4: Simplify right side
    13,248.03x = 77,266,794.27
  5. Step 5: Solve for x
    x = 77,266,794.27/13,248.03
  6. Step 6: Final answer
    x = 5,832.32

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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.