Home / 10,937.42-16,405.20-6,551.66

Finding the Fourth Proportional to 10,937.42, 16,405.20 and 6,551.66

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Solution

The fourth proportional to 10,937.42, 16,405.20 and 6,551.66 is: 9,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.42 : 16,405.20 = 6,551.66 : x
  2. Step 2: Convert to fraction form
    10,937.42/16,405.20 = 6,551.66/x
  3. Step 3: Cross multiply
    10,937.42x = 16,405.20 × 6,551.66
  4. Step 4: Simplify right side
    10,937.42x = 107,481,292.63
  5. Step 5: Solve for x
    x = 107,481,292.63/10,937.42
  6. Step 6: Final answer
    x = 9,826.93

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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.