Home / 13,745.47-20,586.12-10,038.52

Finding the Fourth Proportional to 13,745.47, 20,586.12 and 10,038.52

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Solution

The fourth proportional to 13,745.47, 20,586.12 and 10,038.52 is: 15,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745.47 : 20,586.12 = 10,038.52 : x
  2. Step 2: Convert to fraction form
    13,745.47/20,586.12 = 10,038.52/x
  3. Step 3: Cross multiply
    13,745.47x = 20,586.12 × 10,038.52
  4. Step 4: Simplify right side
    13,745.47x = 206,654,177.34
  5. Step 5: Solve for x
    x = 206,654,177.34/13,745.47
  6. Step 6: Final answer
    x = 15,034.35

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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.