Home / 9,184.36-12,660.63-7,191.46

Finding the Fourth Proportional to 9,184.36, 12,660.63 and 7,191.46

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Solution

The fourth proportional to 9,184.36, 12,660.63 and 7,191.46 is: 9,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.36 : 12,660.63 = 7,191.46 : x
  2. Step 2: Convert to fraction form
    9,184.36/12,660.63 = 7,191.46/x
  3. Step 3: Cross multiply
    9,184.36x = 12,660.63 × 7,191.46
  4. Step 4: Simplify right side
    9,184.36x = 91,048,387.70
  5. Step 5: Solve for x
    x = 91,048,387.70/9,184.36
  6. Step 6: Final answer
    x = 9,913.41

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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.