Home / 9,366.21-12,926.84-5,386.49

Finding the Fourth Proportional to 9,366.21, 12,926.84 and 5,386.49

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Solution

The fourth proportional to 9,366.21, 12,926.84 and 5,386.49 is: 7,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.21 : 12,926.84 = 5,386.49 : x
  2. Step 2: Convert to fraction form
    9,366.21/12,926.84 = 5,386.49/x
  3. Step 3: Cross multiply
    9,366.21x = 12,926.84 × 5,386.49
  4. Step 4: Simplify right side
    9,366.21x = 69,630,202.82
  5. Step 5: Solve for x
    x = 69,630,202.82/9,366.21
  6. Step 6: Final answer
    x = 7,434.19

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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.