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Finding the Fourth Proportional to 8,897.23, 13,319.11 and 8,685.01

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Solution

The fourth proportional to 8,897.23, 13,319.11 and 8,685.01 is: 13,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.23 : 13,319.11 = 8,685.01 : x
  2. Step 2: Convert to fraction form
    8,897.23/13,319.11 = 8,685.01/x
  3. Step 3: Cross multiply
    8,897.23x = 13,319.11 × 8,685.01
  4. Step 4: Simplify right side
    8,897.23x = 115,676,603.54
  5. Step 5: Solve for x
    x = 115,676,603.54/8,897.23
  6. Step 6: Final answer
    x = 13,001.42

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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.