Home / 14,651.57-20,219.21-7,937.18

Finding the Fourth Proportional to 14,651.57, 20,219.21 and 7,937.18

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Solution

The fourth proportional to 14,651.57, 20,219.21 and 7,937.18 is: 10,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.57 : 20,219.21 = 7,937.18 : x
  2. Step 2: Convert to fraction form
    14,651.57/20,219.21 = 7,937.18/x
  3. Step 3: Cross multiply
    14,651.57x = 20,219.21 × 7,937.18
  4. Step 4: Simplify right side
    14,651.57x = 160,483,442.86
  5. Step 5: Solve for x
    x = 160,483,442.86/14,651.57
  6. Step 6: Final answer
    x = 10,953.33

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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.