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Finding the Fourth Proportional to 14,897.40, 22,342.02 and 7,488.60

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Solution

The fourth proportional to 14,897.40, 22,342.02 and 7,488.60 is: 11,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.40 : 22,342.02 = 7,488.60 : x
  2. Step 2: Convert to fraction form
    14,897.40/22,342.02 = 7,488.60/x
  3. Step 3: Cross multiply
    14,897.40x = 22,342.02 × 7,488.60
  4. Step 4: Simplify right side
    14,897.40x = 167,310,450.97
  5. Step 5: Solve for x
    x = 167,310,450.97/14,897.40
  6. Step 6: Final answer
    x = 11,230.85

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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.