Home / 11,168.63-15,412.66-6,132.72

Finding the Fourth Proportional to 11,168.63, 15,412.66 and 6,132.72

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Solution

The fourth proportional to 11,168.63, 15,412.66 and 6,132.72 is: 8,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.63 : 15,412.66 = 6,132.72 : x
  2. Step 2: Convert to fraction form
    11,168.63/15,412.66 = 6,132.72/x
  3. Step 3: Cross multiply
    11,168.63x = 15,412.66 × 6,132.72
  4. Step 4: Simplify right side
    11,168.63x = 94,521,528.24
  5. Step 5: Solve for x
    x = 94,521,528.24/11,168.63
  6. Step 6: Final answer
    x = 8,463.13

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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.