Home / 14,197.32-21,268.69-7,938.35

Finding the Fourth Proportional to 14,197.32, 21,268.69 and 7,938.35

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Solution

The fourth proportional to 14,197.32, 21,268.69 and 7,938.35 is: 11,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.32 : 21,268.69 = 7,938.35 : x
  2. Step 2: Convert to fraction form
    14,197.32/21,268.69 = 7,938.35/x
  3. Step 3: Cross multiply
    14,197.32x = 21,268.69 × 7,938.35
  4. Step 4: Simplify right side
    14,197.32x = 168,838,265.57
  5. Step 5: Solve for x
    x = 168,838,265.57/14,197.32
  6. Step 6: Final answer
    x = 11,892.26

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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.