Home / 10,611.27-14,645.75-6,134.40

Finding the Fourth Proportional to 10,611.27, 14,645.75 and 6,134.40

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Solution

The fourth proportional to 10,611.27, 14,645.75 and 6,134.40 is: 8,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.27 : 14,645.75 = 6,134.40 : x
  2. Step 2: Convert to fraction form
    10,611.27/14,645.75 = 6,134.40/x
  3. Step 3: Cross multiply
    10,611.27x = 14,645.75 × 6,134.40
  4. Step 4: Simplify right side
    10,611.27x = 89,842,815.57
  5. Step 5: Solve for x
    x = 89,842,815.57/10,611.27
  6. Step 6: Final answer
    x = 8,466.74

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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.