Home / 21,261.22-31,886.96-6,264.46

Finding the Fourth Proportional to 21,261.22, 31,886.96 and 6,264.46

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Solution

The fourth proportional to 21,261.22, 31,886.96 and 6,264.46 is: 9,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261.22 : 31,886.96 = 6,264.46 : x
  2. Step 2: Convert to fraction form
    21,261.22/31,886.96 = 6,264.46/x
  3. Step 3: Cross multiply
    21,261.22x = 31,886.96 × 6,264.46
  4. Step 4: Simplify right side
    21,261.22x = 199,754,585.44
  5. Step 5: Solve for x
    x = 199,754,585.44/21,261.22
  6. Step 6: Final answer
    x = 9,395.26

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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.