Home / 9,781.27-13,492.95-5,954.07

Finding the Fourth Proportional to 9,781.27, 13,492.95 and 5,954.07

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Solution

The fourth proportional to 9,781.27, 13,492.95 and 5,954.07 is: 8,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781.27 : 13,492.95 = 5,954.07 : x
  2. Step 2: Convert to fraction form
    9,781.27/13,492.95 = 5,954.07/x
  3. Step 3: Cross multiply
    9,781.27x = 13,492.95 × 5,954.07
  4. Step 4: Simplify right side
    9,781.27x = 80,337,997.08
  5. Step 5: Solve for x
    x = 80,337,997.08/9,781.27
  6. Step 6: Final answer
    x = 8,213.45

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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.