Home / 14,830.17-20,465.46-8,115.74

Finding the Fourth Proportional to 14,830.17, 20,465.46 and 8,115.74

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Solution

The fourth proportional to 14,830.17, 20,465.46 and 8,115.74 is: 11,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.17 : 20,465.46 = 8,115.74 : x
  2. Step 2: Convert to fraction form
    14,830.17/20,465.46 = 8,115.74/x
  3. Step 3: Cross multiply
    14,830.17x = 20,465.46 × 8,115.74
  4. Step 4: Simplify right side
    14,830.17x = 166,092,250.01
  5. Step 5: Solve for x
    x = 166,092,250.01/14,830.17
  6. Step 6: Final answer
    x = 11,199.62

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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.