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Finding the Fourth Proportional to 8,823.40, 13,235.10 and 7,365.40

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Solution

The fourth proportional to 8,823.40, 13,235.10 and 7,365.40 is: 11,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.40 : 13,235.10 = 7,365.40 : x
  2. Step 2: Convert to fraction form
    8,823.40/13,235.10 = 7,365.40/x
  3. Step 3: Cross multiply
    8,823.40x = 13,235.10 × 7,365.40
  4. Step 4: Simplify right side
    8,823.40x = 97,481,805.54
  5. Step 5: Solve for x
    x = 97,481,805.54/8,823.40
  6. Step 6: Final answer
    x = 11,048.10

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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.