Home / 15,045.28-20,764.44-9,080.32

Finding the Fourth Proportional to 15,045.28, 20,764.44 and 9,080.32

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Solution

The fourth proportional to 15,045.28, 20,764.44 and 9,080.32 is: 12,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.28 : 20,764.44 = 9,080.32 : x
  2. Step 2: Convert to fraction form
    15,045.28/20,764.44 = 9,080.32/x
  3. Step 3: Cross multiply
    15,045.28x = 20,764.44 × 9,080.32
  4. Step 4: Simplify right side
    15,045.28x = 188,547,759.82
  5. Step 5: Solve for x
    x = 188,547,759.82/15,045.28
  6. Step 6: Final answer
    x = 12,532.02

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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.