Home / 65,208.10-97,812.15-15,960.10

Finding the Fourth Proportional to 65,208.10, 97,812.15 and 15,960.10

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Solution

The fourth proportional to 65,208.10, 97,812.15 and 15,960.10 is: 23,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,208.10 : 97,812.15 = 15,960.10 : x
  2. Step 2: Convert to fraction form
    65,208.10/97,812.15 = 15,960.10/x
  3. Step 3: Cross multiply
    65,208.10x = 97,812.15 × 15,960.10
  4. Step 4: Simplify right side
    65,208.10x = 1,561,091,695.22
  5. Step 5: Solve for x
    x = 1,561,091,695.22/65,208.10
  6. Step 6: Final answer
    x = 23,940.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.