Home / 18,570.16-27,864.42-8,710.19

Finding the Fourth Proportional to 18,570.16, 27,864.42 and 8,710.19

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Solution

The fourth proportional to 18,570.16, 27,864.42 and 8,710.19 is: 13,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.16 : 27,864.42 = 8,710.19 : x
  2. Step 2: Convert to fraction form
    18,570.16/27,864.42 = 8,710.19/x
  3. Step 3: Cross multiply
    18,570.16x = 27,864.42 × 8,710.19
  4. Step 4: Simplify right side
    18,570.16x = 242,704,392.44
  5. Step 5: Solve for x
    x = 242,704,392.44/18,570.16
  6. Step 6: Final answer
    x = 13,069.59

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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.