Home / 14,127.24-21,191.76-4,768.20

Finding the Fourth Proportional to 14,127.24, 21,191.76 and 4,768.20

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Solution

The fourth proportional to 14,127.24, 21,191.76 and 4,768.20 is: 7,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.24 : 21,191.76 = 4,768.20 : x
  2. Step 2: Convert to fraction form
    14,127.24/21,191.76 = 4,768.20/x
  3. Step 3: Cross multiply
    14,127.24x = 21,191.76 × 4,768.20
  4. Step 4: Simplify right side
    14,127.24x = 101,046,550.03
  5. Step 5: Solve for x
    x = 101,046,550.03/14,127.24
  6. Step 6: Final answer
    x = 7,152.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.