Home / 11,043.80-16,565.70-10,531.80

Finding the Fourth Proportional to 11,043.80, 16,565.70 and 10,531.80

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Solution

The fourth proportional to 11,043.80, 16,565.70 and 10,531.80 is: 15,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.80 : 16,565.70 = 10,531.80 : x
  2. Step 2: Convert to fraction form
    11,043.80/16,565.70 = 10,531.80/x
  3. Step 3: Cross multiply
    11,043.80x = 16,565.70 × 10,531.80
  4. Step 4: Simplify right side
    11,043.80x = 174,466,639.26
  5. Step 5: Solve for x
    x = 174,466,639.26/11,043.80
  6. Step 6: Final answer
    x = 15,797.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.