Home / 14,261.12-21,384.03-7,937.99

Finding the Fourth Proportional to 14,261.12, 21,384.03 and 7,937.99

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Solution

The fourth proportional to 14,261.12, 21,384.03 and 7,937.99 is: 11,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.12 : 21,384.03 = 7,937.99 : x
  2. Step 2: Convert to fraction form
    14,261.12/21,384.03 = 7,937.99/x
  3. Step 3: Cross multiply
    14,261.12x = 21,384.03 × 7,937.99
  4. Step 4: Simplify right side
    14,261.12x = 169,746,216.30
  5. Step 5: Solve for x
    x = 169,746,216.30/14,261.12
  6. Step 6: Final answer
    x = 11,902.73

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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.