Home / 15,110.03-20,851.47-8,822.40

Finding the Fourth Proportional to 15,110.03, 20,851.47 and 8,822.40

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Solution

The fourth proportional to 15,110.03, 20,851.47 and 8,822.40 is: 12,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.03 : 20,851.47 = 8,822.40 : x
  2. Step 2: Convert to fraction form
    15,110.03/20,851.47 = 8,822.40/x
  3. Step 3: Cross multiply
    15,110.03x = 20,851.47 × 8,822.40
  4. Step 4: Simplify right side
    15,110.03x = 183,960,008.93
  5. Step 5: Solve for x
    x = 183,960,008.93/15,110.03
  6. Step 6: Final answer
    x = 12,174.70

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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.