Home / 15,897.27-21,938.59-8,824.76

Finding the Fourth Proportional to 15,897.27, 21,938.59 and 8,824.76

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Solution

The fourth proportional to 15,897.27, 21,938.59 and 8,824.76 is: 12,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.27 : 21,938.59 = 8,824.76 : x
  2. Step 2: Convert to fraction form
    15,897.27/21,938.59 = 8,824.76/x
  3. Step 3: Cross multiply
    15,897.27x = 21,938.59 × 8,824.76
  4. Step 4: Simplify right side
    15,897.27x = 193,602,791.49
  5. Step 5: Solve for x
    x = 193,602,791.49/15,897.27
  6. Step 6: Final answer
    x = 12,178.37

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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.