Home / 21,685.44-32,547.36-11,162.88

Finding the Fourth Proportional to 21,685.44, 32,547.36 and 11,162.88

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Solution

The fourth proportional to 21,685.44, 32,547.36 and 11,162.88 is: 16,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685.44 : 32,547.36 = 11,162.88 : x
  2. Step 2: Convert to fraction form
    21,685.44/32,547.36 = 11,162.88/x
  3. Step 3: Cross multiply
    21,685.44x = 32,547.36 × 11,162.88
  4. Step 4: Simplify right side
    21,685.44x = 363,322,274.00
  5. Step 5: Solve for x
    x = 363,322,274.00/21,685.44
  6. Step 6: Final answer
    x = 16,754.20

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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.