Home / 15,706.04-21,674.79-8,632.92

Finding the Fourth Proportional to 15,706.04, 21,674.79 and 8,632.92

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Solution

The fourth proportional to 15,706.04, 21,674.79 and 8,632.92 is: 11,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.04 : 21,674.79 = 8,632.92 : x
  2. Step 2: Convert to fraction form
    15,706.04/21,674.79 = 8,632.92/x
  3. Step 3: Cross multiply
    15,706.04x = 21,674.79 × 8,632.92
  4. Step 4: Simplify right side
    15,706.04x = 187,116,728.09
  5. Step 5: Solve for x
    x = 187,116,728.09/15,706.04
  6. Step 6: Final answer
    x = 11,913.68

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Double scale
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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.