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Finding the Fourth Proportional to 9,897.48, 14,855.79 and 8,070.73

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Solution

The fourth proportional to 9,897.48, 14,855.79 and 8,070.73 is: 12,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.48 : 14,855.79 = 8,070.73 : x
  2. Step 2: Convert to fraction form
    9,897.48/14,855.79 = 8,070.73/x
  3. Step 3: Cross multiply
    9,897.48x = 14,855.79 × 8,070.73
  4. Step 4: Simplify right side
    9,897.48x = 119,897,070.03
  5. Step 5: Solve for x
    x = 119,897,070.03/9,897.48
  6. Step 6: Final answer
    x = 12,113.90

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Half scale
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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.