Home / 10,611.09-14,638.19-7,069.77

Finding the Fourth Proportional to 10,611.09, 14,638.19 and 7,069.77

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Solution

The fourth proportional to 10,611.09, 14,638.19 and 7,069.77 is: 9,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.09 : 14,638.19 = 7,069.77 : x
  2. Step 2: Convert to fraction form
    10,611.09/14,638.19 = 7,069.77/x
  3. Step 3: Cross multiply
    10,611.09x = 14,638.19 × 7,069.77
  4. Step 4: Simplify right side
    10,611.09x = 103,488,601.17
  5. Step 5: Solve for x
    x = 103,488,601.17/10,611.09
  6. Step 6: Final answer
    x = 9,752.87

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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.