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Finding the Fourth Proportional to 18,984, 26,197.65 and 11,030.70

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Solution

The fourth proportional to 18,984, 26,197.65 and 11,030.70 is: 15,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984 : 26,197.65 = 11,030.70 : x
  2. Step 2: Convert to fraction form
    18,984/26,197.65 = 11,030.70/x
  3. Step 3: Cross multiply
    18,984x = 26,197.65 × 11,030.70
  4. Step 4: Simplify right side
    18,984x = 288,978,417.86
  5. Step 5: Solve for x
    x = 288,978,417.86/18,984
  6. Step 6: Final answer
    x = 15,222.21

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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.