Home / 15,962.80-22,028.64-8,889.84

Finding the Fourth Proportional to 15,962.80, 22,028.64 and 8,889.84

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Solution

The fourth proportional to 15,962.80, 22,028.64 and 8,889.84 is: 12,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.80 : 22,028.64 = 8,889.84 : x
  2. Step 2: Convert to fraction form
    15,962.80/22,028.64 = 8,889.84/x
  3. Step 3: Cross multiply
    15,962.80x = 22,028.64 × 8,889.84
  4. Step 4: Simplify right side
    15,962.80x = 195,831,085.02
  5. Step 5: Solve for x
    x = 195,831,085.02/15,962.80
  6. Step 6: Final answer
    x = 12,267.97

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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.