Home / 15,962.55-22,028.19-8,888.82

Finding the Fourth Proportional to 15,962.55, 22,028.19 and 8,888.82

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Solution

The fourth proportional to 15,962.55, 22,028.19 and 8,888.82 is: 12,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.55 : 22,028.19 = 8,888.82 : x
  2. Step 2: Convert to fraction form
    15,962.55/22,028.19 = 8,888.82/x
  3. Step 3: Cross multiply
    15,962.55x = 22,028.19 × 8,888.82
  4. Step 4: Simplify right side
    15,962.55x = 195,804,615.84
  5. Step 5: Solve for x
    x = 195,804,615.84/15,962.55
  6. Step 6: Final answer
    x = 12,266.50

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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.