Home / 10,680.61-16,015.67-6,239.39

Finding the Fourth Proportional to 10,680.61, 16,015.67 and 6,239.39

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Solution

The fourth proportional to 10,680.61, 16,015.67 and 6,239.39 is: 9,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.61 : 16,015.67 = 6,239.39 : x
  2. Step 2: Convert to fraction form
    10,680.61/16,015.67 = 6,239.39/x
  3. Step 3: Cross multiply
    10,680.61x = 16,015.67 × 6,239.39
  4. Step 4: Simplify right side
    10,680.61x = 99,927,899.97
  5. Step 5: Solve for x
    x = 99,927,899.97/10,680.61
  6. Step 6: Final answer
    x = 9,356.01

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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.