Home / 9,143.68-12,613.44-6,492.16

Finding the Fourth Proportional to 9,143.68, 12,613.44 and 6,492.16

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Solution

The fourth proportional to 9,143.68, 12,613.44 and 6,492.16 is: 8,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.68 : 12,613.44 = 6,492.16 : x
  2. Step 2: Convert to fraction form
    9,143.68/12,613.44 = 6,492.16/x
  3. Step 3: Cross multiply
    9,143.68x = 12,613.44 × 6,492.16
  4. Step 4: Simplify right side
    9,143.68x = 81,888,470.63
  5. Step 5: Solve for x
    x = 81,888,470.63/9,143.68
  6. Step 6: Final answer
    x = 8,955.75

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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.