Home / 18,564.19-27,803.05-11,152.28

Finding the Fourth Proportional to 18,564.19, 27,803.05 and 11,152.28

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Solution

The fourth proportional to 18,564.19, 27,803.05 and 11,152.28 is: 16,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.19 : 27,803.05 = 11,152.28 : x
  2. Step 2: Convert to fraction form
    18,564.19/27,803.05 = 11,152.28/x
  3. Step 3: Cross multiply
    18,564.19x = 27,803.05 × 11,152.28
  4. Step 4: Simplify right side
    18,564.19x = 310,067,440.08
  5. Step 5: Solve for x
    x = 310,067,440.08/18,564.19
  6. Step 6: Final answer
    x = 16,702.45

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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.