Home / 18,985.44-26,200.08-11,028

Finding the Fourth Proportional to 18,985.44, 26,200.08 and 11,028

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Solution

The fourth proportional to 18,985.44, 26,200.08 and 11,028 is: 15,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.44 : 26,200.08 = 11,028 : x
  2. Step 2: Convert to fraction form
    18,985.44/26,200.08 = 11,028/x
  3. Step 3: Cross multiply
    18,985.44x = 26,200.08 × 11,028
  4. Step 4: Simplify right side
    18,985.44x = 288,934,482.24
  5. Step 5: Solve for x
    x = 288,934,482.24/18,985.44
  6. Step 6: Final answer
    x = 15,218.74

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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.