Home / 22,685.15-31,307.26-13,610.85

Finding the Fourth Proportional to 22,685.15, 31,307.26 and 13,610.85

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Solution

The fourth proportional to 22,685.15, 31,307.26 and 13,610.85 is: 18,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.15 : 31,307.26 = 13,610.85 : x
  2. Step 2: Convert to fraction form
    22,685.15/31,307.26 = 13,610.85/x
  3. Step 3: Cross multiply
    22,685.15x = 31,307.26 × 13,610.85
  4. Step 4: Simplify right side
    22,685.15x = 426,118,419.77
  5. Step 5: Solve for x
    x = 426,118,419.77/22,685.15
  6. Step 6: Final answer
    x = 18,784.02

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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.