Home / 15,897.04-21,938.82-8,823.34

Finding the Fourth Proportional to 15,897.04, 21,938.82 and 8,823.34

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Solution

The fourth proportional to 15,897.04, 21,938.82 and 8,823.34 is: 12,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.04 : 21,938.82 = 8,823.34 : x
  2. Step 2: Convert to fraction form
    15,897.04/21,938.82 = 8,823.34/x
  3. Step 3: Cross multiply
    15,897.04x = 21,938.82 × 8,823.34
  4. Step 4: Simplify right side
    15,897.04x = 193,573,668.06
  5. Step 5: Solve for x
    x = 193,573,668.06/15,897.04
  6. Step 6: Final answer
    x = 12,176.71

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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.