Home / 12,897.76-19,353.30-5,500.23

Finding the Fourth Proportional to 12,897.76, 19,353.30 and 5,500.23

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Solution

The fourth proportional to 12,897.76, 19,353.30 and 5,500.23 is: 8,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.76 : 19,353.30 = 5,500.23 : x
  2. Step 2: Convert to fraction form
    12,897.76/19,353.30 = 5,500.23/x
  3. Step 3: Cross multiply
    12,897.76x = 19,353.30 × 5,500.23
  4. Step 4: Simplify right side
    12,897.76x = 106,447,601.26
  5. Step 5: Solve for x
    x = 106,447,601.26/12,897.76
  6. Step 6: Final answer
    x = 8,253.19

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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.