Home / 16,528.02-22,805.46-9,815.75

Finding the Fourth Proportional to 16,528.02, 22,805.46 and 9,815.75

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Solution

The fourth proportional to 16,528.02, 22,805.46 and 9,815.75 is: 13,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.02 : 22,805.46 = 9,815.75 : x
  2. Step 2: Convert to fraction form
    16,528.02/22,805.46 = 9,815.75/x
  3. Step 3: Cross multiply
    16,528.02x = 22,805.46 × 9,815.75
  4. Step 4: Simplify right side
    16,528.02x = 223,852,751.01
  5. Step 5: Solve for x
    x = 223,852,751.01/16,528.02
  6. Step 6: Final answer
    x = 13,543.83

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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.