Home / 11,886.02-16,403.53-6,581.17

Finding the Fourth Proportional to 11,886.02, 16,403.53 and 6,581.17

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Solution

The fourth proportional to 11,886.02, 16,403.53 and 6,581.17 is: 9,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.02 : 16,403.53 = 6,581.17 : x
  2. Step 2: Convert to fraction form
    11,886.02/16,403.53 = 6,581.17/x
  3. Step 3: Cross multiply
    11,886.02x = 16,403.53 × 6,581.17
  4. Step 4: Simplify right side
    11,886.02x = 107,954,419.53
  5. Step 5: Solve for x
    x = 107,954,419.53/11,886.02
  6. Step 6: Final answer
    x = 9,082.47

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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.