Home / 11,871.48-16,382.36-6,566.19

Finding the Fourth Proportional to 11,871.48, 16,382.36 and 6,566.19

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Solution

The fourth proportional to 11,871.48, 16,382.36 and 6,566.19 is: 9,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.48 : 16,382.36 = 6,566.19 : x
  2. Step 2: Convert to fraction form
    11,871.48/16,382.36 = 6,566.19/x
  3. Step 3: Cross multiply
    11,871.48x = 16,382.36 × 6,566.19
  4. Step 4: Simplify right side
    11,871.48x = 107,569,643.39
  5. Step 5: Solve for x
    x = 107,569,643.39/11,871.48
  6. Step 6: Final answer
    x = 9,061.18

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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.