Home / 10,690.08-16,009.20-7,393.92

Finding the Fourth Proportional to 10,690.08, 16,009.20 and 7,393.92

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Solution

The fourth proportional to 10,690.08, 16,009.20 and 7,393.92 is: 11,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.08 : 16,009.20 = 7,393.92 : x
  2. Step 2: Convert to fraction form
    10,690.08/16,009.20 = 7,393.92/x
  3. Step 3: Cross multiply
    10,690.08x = 16,009.20 × 7,393.92
  4. Step 4: Simplify right side
    10,690.08x = 118,370,744.06
  5. Step 5: Solve for x
    x = 118,370,744.06/10,690.08
  6. Step 6: Final answer
    x = 11,072.95

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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.