Home / 9,134.06-13,690.14-5,618.45

Finding the Fourth Proportional to 9,134.06, 13,690.14 and 5,618.45

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Solution

The fourth proportional to 9,134.06, 13,690.14 and 5,618.45 is: 8,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.06 : 13,690.14 = 5,618.45 : x
  2. Step 2: Convert to fraction form
    9,134.06/13,690.14 = 5,618.45/x
  3. Step 3: Cross multiply
    9,134.06x = 13,690.14 × 5,618.45
  4. Step 4: Simplify right side
    9,134.06x = 76,917,298.63
  5. Step 5: Solve for x
    x = 76,917,298.63/9,134.06
  6. Step 6: Final answer
    x = 8,420.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.