Home / 9,366.63-12,926.55-5,174.88

Finding the Fourth Proportional to 9,366.63, 12,926.55 and 5,174.88

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Solution

The fourth proportional to 9,366.63, 12,926.55 and 5,174.88 is: 7,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.63 : 12,926.55 = 5,174.88 : x
  2. Step 2: Convert to fraction form
    9,366.63/12,926.55 = 5,174.88/x
  3. Step 3: Cross multiply
    9,366.63x = 12,926.55 × 5,174.88
  4. Step 4: Simplify right side
    9,366.63x = 66,893,345.06
  5. Step 5: Solve for x
    x = 66,893,345.06/9,366.63
  6. Step 6: Final answer
    x = 7,141.67

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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.