Home / 8,962.62-12,327.30-7,190.34

Finding the Fourth Proportional to 8,962.62, 12,327.30 and 7,190.34

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Solution

The fourth proportional to 8,962.62, 12,327.30 and 7,190.34 is: 9,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.62 : 12,327.30 = 7,190.34 : x
  2. Step 2: Convert to fraction form
    8,962.62/12,327.30 = 7,190.34/x
  3. Step 3: Cross multiply
    8,962.62x = 12,327.30 × 7,190.34
  4. Step 4: Simplify right side
    8,962.62x = 88,637,478.28
  5. Step 5: Solve for x
    x = 88,637,478.28/8,962.62
  6. Step 6: Final answer
    x = 9,889.68

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1.5x scale

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.