Home / 14,265.85-21,407.96-7,696.57

Finding the Fourth Proportional to 14,265.85, 21,407.96 and 7,696.57

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Solution

The fourth proportional to 14,265.85, 21,407.96 and 7,696.57 is: 11,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.85 : 21,407.96 = 7,696.57 : x
  2. Step 2: Convert to fraction form
    14,265.85/21,407.96 = 7,696.57/x
  3. Step 3: Cross multiply
    14,265.85x = 21,407.96 × 7,696.57
  4. Step 4: Simplify right side
    14,265.85x = 164,767,862.70
  5. Step 5: Solve for x
    x = 164,767,862.70/14,265.85
  6. Step 6: Final answer
    x = 11,549.81

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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.