Home / 14,602.50-20,151.45-8,315.46

Finding the Fourth Proportional to 14,602.50, 20,151.45 and 8,315.46

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Solution

The fourth proportional to 14,602.50, 20,151.45 and 8,315.46 is: 11,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.50 : 20,151.45 = 8,315.46 : x
  2. Step 2: Convert to fraction form
    14,602.50/20,151.45 = 8,315.46/x
  3. Step 3: Cross multiply
    14,602.50x = 20,151.45 × 8,315.46
  4. Step 4: Simplify right side
    14,602.50x = 167,568,576.42
  5. Step 5: Solve for x
    x = 167,568,576.42/14,602.50
  6. Step 6: Final answer
    x = 11,475.33

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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.