Home / 18,656.16-27,963.36-9,402.72

Finding the Fourth Proportional to 18,656.16, 27,963.36 and 9,402.72

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Solution

The fourth proportional to 18,656.16, 27,963.36 and 9,402.72 is: 14,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.16 : 27,963.36 = 9,402.72 : x
  2. Step 2: Convert to fraction form
    18,656.16/27,963.36 = 9,402.72/x
  3. Step 3: Cross multiply
    18,656.16x = 27,963.36 × 9,402.72
  4. Step 4: Simplify right side
    18,656.16x = 262,931,644.34
  5. Step 5: Solve for x
    x = 262,931,644.34/18,656.16
  6. Step 6: Final answer
    x = 14,093.56

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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.