Home / 15,706.46-21,674.85-8,633.18

Finding the Fourth Proportional to 15,706.46, 21,674.85 and 8,633.18

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Solution

The fourth proportional to 15,706.46, 21,674.85 and 8,633.18 is: 11,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.46 : 21,674.85 = 8,633.18 : x
  2. Step 2: Convert to fraction form
    15,706.46/21,674.85 = 8,633.18/x
  3. Step 3: Cross multiply
    15,706.46x = 21,674.85 × 8,633.18
  4. Step 4: Simplify right side
    15,706.46x = 187,122,881.52
  5. Step 5: Solve for x
    x = 187,122,881.52/15,706.46
  6. Step 6: Final answer
    x = 11,913.75

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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.