Home / 21,803.04-32,689.44-11,422.08

Finding the Fourth Proportional to 21,803.04, 32,689.44 and 11,422.08

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Solution

The fourth proportional to 21,803.04, 32,689.44 and 11,422.08 is: 17,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.04 : 32,689.44 = 11,422.08 : x
  2. Step 2: Convert to fraction form
    21,803.04/32,689.44 = 11,422.08/x
  3. Step 3: Cross multiply
    21,803.04x = 32,689.44 × 11,422.08
  4. Step 4: Simplify right side
    21,803.04x = 373,381,398.84
  5. Step 5: Solve for x
    x = 373,381,398.84/21,803.04
  6. Step 6: Final answer
    x = 17,125.20

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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.