Home / 16,047.40-22,140.88-11,012.80

Finding the Fourth Proportional to 16,047.40, 22,140.88 and 11,012.80

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Solution

The fourth proportional to 16,047.40, 22,140.88 and 11,012.80 is: 15,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,047.40 : 22,140.88 = 11,012.80 : x
  2. Step 2: Convert to fraction form
    16,047.40/22,140.88 = 11,012.80/x
  3. Step 3: Cross multiply
    16,047.40x = 22,140.88 × 11,012.80
  4. Step 4: Simplify right side
    16,047.40x = 243,833,083.26
  5. Step 5: Solve for x
    x = 243,833,083.26/16,047.40
  6. Step 6: Final answer
    x = 15,194.55

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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.