Home / 9,154.13-12,620.48-7,271.96

Finding the Fourth Proportional to 9,154.13, 12,620.48 and 7,271.96

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Solution

The fourth proportional to 9,154.13, 12,620.48 and 7,271.96 is: 10,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.13 : 12,620.48 = 7,271.96 : x
  2. Step 2: Convert to fraction form
    9,154.13/12,620.48 = 7,271.96/x
  3. Step 3: Cross multiply
    9,154.13x = 12,620.48 × 7,271.96
  4. Step 4: Simplify right side
    9,154.13x = 91,775,526.28
  5. Step 5: Solve for x
    x = 91,775,526.28/9,154.13
  6. Step 6: Final answer
    x = 10,025.59

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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.