Home / 13,031.13-19,545.73-4,146.11

Finding the Fourth Proportional to 13,031.13, 19,545.73 and 4,146.11

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Solution

The fourth proportional to 13,031.13, 19,545.73 and 4,146.11 is: 6,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.13 : 19,545.73 = 4,146.11 : x
  2. Step 2: Convert to fraction form
    13,031.13/19,545.73 = 4,146.11/x
  3. Step 3: Cross multiply
    13,031.13x = 19,545.73 × 4,146.11
  4. Step 4: Simplify right side
    13,031.13x = 81,038,638.52
  5. Step 5: Solve for x
    x = 81,038,638.52/13,031.13
  6. Step 6: Final answer
    x = 6,218.85

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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.