Home / 14,080.17-21,102.69-12,320.99

Finding the Fourth Proportional to 14,080.17, 21,102.69 and 12,320.99

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Solution

The fourth proportional to 14,080.17, 21,102.69 and 12,320.99 is: 18,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.17 : 21,102.69 = 12,320.99 : x
  2. Step 2: Convert to fraction form
    14,080.17/21,102.69 = 12,320.99/x
  3. Step 3: Cross multiply
    14,080.17x = 21,102.69 × 12,320.99
  4. Step 4: Simplify right side
    14,080.17x = 260,006,131.42
  5. Step 5: Solve for x
    x = 260,006,131.42/14,080.17
  6. Step 6: Final answer
    x = 18,466.13

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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.