Home / 14,587.68-20,131.12-8,300.46

Finding the Fourth Proportional to 14,587.68, 20,131.12 and 8,300.46

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Solution

The fourth proportional to 14,587.68, 20,131.12 and 8,300.46 is: 11,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.68 : 20,131.12 = 8,300.46 : x
  2. Step 2: Convert to fraction form
    14,587.68/20,131.12 = 8,300.46/x
  3. Step 3: Cross multiply
    14,587.68x = 20,131.12 × 8,300.46
  4. Step 4: Simplify right side
    14,587.68x = 167,097,514.81
  5. Step 5: Solve for x
    x = 167,097,514.81/14,587.68
  6. Step 6: Final answer
    x = 11,454.70

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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.