Home / 9,122.04-13,685.46-4,187.64

Finding the Fourth Proportional to 9,122.04, 13,685.46 and 4,187.64

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Solution

The fourth proportional to 9,122.04, 13,685.46 and 4,187.64 is: 6,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.04 : 13,685.46 = 4,187.64 : x
  2. Step 2: Convert to fraction form
    9,122.04/13,685.46 = 4,187.64/x
  3. Step 3: Cross multiply
    9,122.04x = 13,685.46 × 4,187.64
  4. Step 4: Simplify right side
    9,122.04x = 57,309,779.71
  5. Step 5: Solve for x
    x = 57,309,779.71/9,122.04
  6. Step 6: Final answer
    x = 6,282.56

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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.