Home / 9,816.99-13,546.22-6,637.20

Finding the Fourth Proportional to 9,816.99, 13,546.22 and 6,637.20

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Solution

The fourth proportional to 9,816.99, 13,546.22 and 6,637.20 is: 9,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.99 : 13,546.22 = 6,637.20 : x
  2. Step 2: Convert to fraction form
    9,816.99/13,546.22 = 6,637.20/x
  3. Step 3: Cross multiply
    9,816.99x = 13,546.22 × 6,637.20
  4. Step 4: Simplify right side
    9,816.99x = 89,908,938.20
  5. Step 5: Solve for x
    x = 89,908,938.20/9,816.99
  6. Step 6: Final answer
    x = 9,158.50

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Double scale
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Similar ratio
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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.