Home / 18,570.20-25,628.67-10,610.90

Finding the Fourth Proportional to 18,570.20, 25,628.67 and 10,610.90

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Solution

The fourth proportional to 18,570.20, 25,628.67 and 10,610.90 is: 14,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.20 : 25,628.67 = 10,610.90 : x
  2. Step 2: Convert to fraction form
    18,570.20/25,628.67 = 10,610.90/x
  3. Step 3: Cross multiply
    18,570.20x = 25,628.67 × 10,610.90
  4. Step 4: Simplify right side
    18,570.20x = 271,943,222.47
  5. Step 5: Solve for x
    x = 271,943,222.47/18,570.20
  6. Step 6: Final answer
    x = 14,644.07

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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.