Home / 15,998.95-22,071.37-9,280.66

Finding the Fourth Proportional to 15,998.95, 22,071.37 and 9,280.66

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Solution

The fourth proportional to 15,998.95, 22,071.37 and 9,280.66 is: 12,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.95 : 22,071.37 = 9,280.66 : x
  2. Step 2: Convert to fraction form
    15,998.95/22,071.37 = 9,280.66/x
  3. Step 3: Cross multiply
    15,998.95x = 22,071.37 × 9,280.66
  4. Step 4: Simplify right side
    15,998.95x = 204,836,880.70
  5. Step 5: Solve for x
    x = 204,836,880.70/15,998.95
  6. Step 6: Final answer
    x = 12,803.15

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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.