Home / 14,282.43-19,707.89-8,315.16

Finding the Fourth Proportional to 14,282.43, 19,707.89 and 8,315.16

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Solution

The fourth proportional to 14,282.43, 19,707.89 and 8,315.16 is: 11,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.43 : 19,707.89 = 8,315.16 : x
  2. Step 2: Convert to fraction form
    14,282.43/19,707.89 = 8,315.16/x
  3. Step 3: Cross multiply
    14,282.43x = 19,707.89 × 8,315.16
  4. Step 4: Simplify right side
    14,282.43x = 163,874,217.04
  5. Step 5: Solve for x
    x = 163,874,217.04/14,282.43
  6. Step 6: Final answer
    x = 11,473.83

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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.