Home / 18,623.45-27,897.76-8,614.17

Finding the Fourth Proportional to 18,623.45, 27,897.76 and 8,614.17

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Solution

The fourth proportional to 18,623.45, 27,897.76 and 8,614.17 is: 12,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.45 : 27,897.76 = 8,614.17 : x
  2. Step 2: Convert to fraction form
    18,623.45/27,897.76 = 8,614.17/x
  3. Step 3: Cross multiply
    18,623.45x = 27,897.76 × 8,614.17
  4. Step 4: Simplify right side
    18,623.45x = 240,316,047.26
  5. Step 5: Solve for x
    x = 240,316,047.26/18,623.45
  6. Step 6: Final answer
    x = 12,903.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.