Home / 15,451.46-21,326.50-9,080.10

Finding the Fourth Proportional to 15,451.46, 21,326.50 and 9,080.10

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Solution

The fourth proportional to 15,451.46, 21,326.50 and 9,080.10 is: 12,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451.46 : 21,326.50 = 9,080.10 : x
  2. Step 2: Convert to fraction form
    15,451.46/21,326.50 = 9,080.10/x
  3. Step 3: Cross multiply
    15,451.46x = 21,326.50 × 9,080.10
  4. Step 4: Simplify right side
    15,451.46x = 193,646,779.31
  5. Step 5: Solve for x
    x = 193,646,779.31/15,451.46
  6. Step 6: Final answer
    x = 12,532.58

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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.