Home / 15,618.95-21,553.88-9,568.25

Finding the Fourth Proportional to 15,618.95, 21,553.88 and 9,568.25

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Solution

The fourth proportional to 15,618.95, 21,553.88 and 9,568.25 is: 13,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.95 : 21,553.88 = 9,568.25 : x
  2. Step 2: Convert to fraction form
    15,618.95/21,553.88 = 9,568.25/x
  3. Step 3: Cross multiply
    15,618.95x = 21,553.88 × 9,568.25
  4. Step 4: Simplify right side
    15,618.95x = 206,232,756.70
  5. Step 5: Solve for x
    x = 206,232,756.70/15,618.95
  6. Step 6: Final answer
    x = 13,204.01

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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.