Home / 13,248.72-19,835.28-10,284.12

Finding the Fourth Proportional to 13,248.72, 19,835.28 and 10,284.12

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Solution

The fourth proportional to 13,248.72, 19,835.28 and 10,284.12 is: 15,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.72 : 19,835.28 = 10,284.12 : x
  2. Step 2: Convert to fraction form
    13,248.72/19,835.28 = 10,284.12/x
  3. Step 3: Cross multiply
    13,248.72x = 19,835.28 × 10,284.12
  4. Step 4: Simplify right side
    13,248.72x = 203,988,399.75
  5. Step 5: Solve for x
    x = 203,988,399.75/13,248.72
  6. Step 6: Final answer
    x = 15,396.84

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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.