Home / 9,685.55-13,362.76-6,150.80

Finding the Fourth Proportional to 9,685.55, 13,362.76 and 6,150.80

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Solution

The fourth proportional to 9,685.55, 13,362.76 and 6,150.80 is: 8,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.55 : 13,362.76 = 6,150.80 : x
  2. Step 2: Convert to fraction form
    9,685.55/13,362.76 = 6,150.80/x
  3. Step 3: Cross multiply
    9,685.55x = 13,362.76 × 6,150.80
  4. Step 4: Simplify right side
    9,685.55x = 82,191,664.21
  5. Step 5: Solve for x
    x = 82,191,664.21/9,685.55
  6. Step 6: Final answer
    x = 8,486.01

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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.