Home / 14,651.39-20,218.95-7,937.03

Finding the Fourth Proportional to 14,651.39, 20,218.95 and 7,937.03

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Solution

The fourth proportional to 14,651.39, 20,218.95 and 7,937.03 is: 10,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.39 : 20,218.95 = 7,937.03 : x
  2. Step 2: Convert to fraction form
    14,651.39/20,218.95 = 7,937.03/x
  3. Step 3: Cross multiply
    14,651.39x = 20,218.95 × 7,937.03
  4. Step 4: Simplify right side
    14,651.39x = 160,478,311.62
  5. Step 5: Solve for x
    x = 160,478,311.62/14,651.39
  6. Step 6: Final answer
    x = 10,953.12

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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.