Home / 10,386.35-14,331.47-6,136.82

Finding the Fourth Proportional to 10,386.35, 14,331.47 and 6,136.82

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Solution

The fourth proportional to 10,386.35, 14,331.47 and 6,136.82 is: 8,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.35 : 14,331.47 = 6,136.82 : x
  2. Step 2: Convert to fraction form
    10,386.35/14,331.47 = 6,136.82/x
  3. Step 3: Cross multiply
    10,386.35x = 14,331.47 × 6,136.82
  4. Step 4: Simplify right side
    10,386.35x = 87,949,608.86
  5. Step 5: Solve for x
    x = 87,949,608.86/10,386.35
  6. Step 6: Final answer
    x = 8,467.81

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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.