Home / 18,748.23-28,105.07-9,512.07

Finding the Fourth Proportional to 18,748.23, 28,105.07 and 9,512.07

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Solution

The fourth proportional to 18,748.23, 28,105.07 and 9,512.07 is: 14,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.23 : 28,105.07 = 9,512.07 : x
  2. Step 2: Convert to fraction form
    18,748.23/28,105.07 = 9,512.07/x
  3. Step 3: Cross multiply
    18,748.23x = 28,105.07 × 9,512.07
  4. Step 4: Simplify right side
    18,748.23x = 267,337,345.63
  5. Step 5: Solve for x
    x = 267,337,345.63/18,748.23
  6. Step 6: Final answer
    x = 14,259.34

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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.