Home / 14,080.78-21,118.20-9,068.14

Finding the Fourth Proportional to 14,080.78, 21,118.20 and 9,068.14

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Solution

The fourth proportional to 14,080.78, 21,118.20 and 9,068.14 is: 13,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.78 : 21,118.20 = 9,068.14 : x
  2. Step 2: Convert to fraction form
    14,080.78/21,118.20 = 9,068.14/x
  3. Step 3: Cross multiply
    14,080.78x = 21,118.20 × 9,068.14
  4. Step 4: Simplify right side
    14,080.78x = 191,502,794.15
  5. Step 5: Solve for x
    x = 191,502,794.15/14,080.78
  6. Step 6: Final answer
    x = 13,600.30

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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.