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Finding the Fourth Proportional to 17,062.61, 25,621.70 and 10,530.32

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Solution

The fourth proportional to 17,062.61, 25,621.70 and 10,530.32 is: 15,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,062.61 : 25,621.70 = 10,530.32 : x
  2. Step 2: Convert to fraction form
    17,062.61/25,621.70 = 10,530.32/x
  3. Step 3: Cross multiply
    17,062.61x = 25,621.70 × 10,530.32
  4. Step 4: Simplify right side
    17,062.61x = 269,804,519.18
  5. Step 5: Solve for x
    x = 269,804,519.18/17,062.61
  6. Step 6: Final answer
    x = 15,812.62

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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.