Home / 17,072-23,560.80-9,621.44

Finding the Fourth Proportional to 17,072, 23,560.80 and 9,621.44

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Solution

The fourth proportional to 17,072, 23,560.80 and 9,621.44 is: 13,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072 : 23,560.80 = 9,621.44 : x
  2. Step 2: Convert to fraction form
    17,072/23,560.80 = 9,621.44/x
  3. Step 3: Cross multiply
    17,072x = 23,560.80 × 9,621.44
  4. Step 4: Simplify right side
    17,072x = 226,688,823.55
  5. Step 5: Solve for x
    x = 226,688,823.55/17,072
  6. Step 6: Final answer
    x = 13,278.40

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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.