Home / 19,955.97-29,925.72-6,809.40

Finding the Fourth Proportional to 19,955.97, 29,925.72 and 6,809.40

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Solution

The fourth proportional to 19,955.97, 29,925.72 and 6,809.40 is: 10,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.97 : 29,925.72 = 6,809.40 : x
  2. Step 2: Convert to fraction form
    19,955.97/29,925.72 = 6,809.40/x
  3. Step 3: Cross multiply
    19,955.97x = 29,925.72 × 6,809.40
  4. Step 4: Simplify right side
    19,955.97x = 203,776,197.77
  5. Step 5: Solve for x
    x = 203,776,197.77/19,955.97
  6. Step 6: Final answer
    x = 10,211.29

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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.