Home / 10,611.27-14,645.36-6,137.74

Finding the Fourth Proportional to 10,611.27, 14,645.36 and 6,137.74

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Solution

The fourth proportional to 10,611.27, 14,645.36 and 6,137.74 is: 8,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.27 : 14,645.36 = 6,137.74 : x
  2. Step 2: Convert to fraction form
    10,611.27/14,645.36 = 6,137.74/x
  3. Step 3: Cross multiply
    10,611.27x = 14,645.36 × 6,137.74
  4. Step 4: Simplify right side
    10,611.27x = 89,889,411.01
  5. Step 5: Solve for x
    x = 89,889,411.01/10,611.27
  6. Step 6: Final answer
    x = 8,471.13

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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.