Home / 10,587.66-15,880.76-3,192.16

Finding the Fourth Proportional to 10,587.66, 15,880.76 and 3,192.16

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Solution

The fourth proportional to 10,587.66, 15,880.76 and 3,192.16 is: 4,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.66 : 15,880.76 = 3,192.16 : x
  2. Step 2: Convert to fraction form
    10,587.66/15,880.76 = 3,192.16/x
  3. Step 3: Cross multiply
    10,587.66x = 15,880.76 × 3,192.16
  4. Step 4: Simplify right side
    10,587.66x = 50,693,912.93
  5. Step 5: Solve for x
    x = 50,693,912.93/10,587.66
  6. Step 6: Final answer
    x = 4,788.02

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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.