Home / 15,024.24-20,731.63-8,308.95

Finding the Fourth Proportional to 15,024.24, 20,731.63 and 8,308.95

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Solution

The fourth proportional to 15,024.24, 20,731.63 and 8,308.95 is: 11,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.24 : 20,731.63 = 8,308.95 : x
  2. Step 2: Convert to fraction form
    15,024.24/20,731.63 = 8,308.95/x
  3. Step 3: Cross multiply
    15,024.24x = 20,731.63 × 8,308.95
  4. Step 4: Simplify right side
    15,024.24x = 172,258,175.60
  5. Step 5: Solve for x
    x = 172,258,175.60/15,024.24
  6. Step 6: Final answer
    x = 11,465.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.