Home / 14,587.74-20,131.20-8,300.52

Finding the Fourth Proportional to 14,587.74, 20,131.20 and 8,300.52

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Solution

The fourth proportional to 14,587.74, 20,131.20 and 8,300.52 is: 11,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.74 : 20,131.20 = 8,300.52 : x
  2. Step 2: Convert to fraction form
    14,587.74/20,131.20 = 8,300.52/x
  3. Step 3: Cross multiply
    14,587.74x = 20,131.20 × 8,300.52
  4. Step 4: Simplify right side
    14,587.74x = 167,099,428.22
  5. Step 5: Solve for x
    x = 167,099,428.22/14,587.74
  6. Step 6: Final answer
    x = 11,454.79

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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.