Home / 9,156.34-12,634.87-7,272.48

Finding the Fourth Proportional to 9,156.34, 12,634.87 and 7,272.48

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Solution

The fourth proportional to 9,156.34, 12,634.87 and 7,272.48 is: 10,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.34 : 12,634.87 = 7,272.48 : x
  2. Step 2: Convert to fraction form
    9,156.34/12,634.87 = 7,272.48/x
  3. Step 3: Cross multiply
    9,156.34x = 12,634.87 × 7,272.48
  4. Step 4: Simplify right side
    9,156.34x = 91,886,803.02
  5. Step 5: Solve for x
    x = 91,886,803.02/9,156.34
  6. Step 6: Final answer
    x = 10,035.33

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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.