Home / 15,335.93-21,163.02-8,622.18

Finding the Fourth Proportional to 15,335.93, 21,163.02 and 8,622.18

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Solution

The fourth proportional to 15,335.93, 21,163.02 and 8,622.18 is: 11,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.93 : 21,163.02 = 8,622.18 : x
  2. Step 2: Convert to fraction form
    15,335.93/21,163.02 = 8,622.18/x
  3. Step 3: Cross multiply
    15,335.93x = 21,163.02 × 8,622.18
  4. Step 4: Simplify right side
    15,335.93x = 182,471,447.14
  5. Step 5: Solve for x
    x = 182,471,447.14/15,335.93
  6. Step 6: Final answer
    x = 11,898.29

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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.