Home / 19,801.56-29,684.88-9,926.76

Finding the Fourth Proportional to 19,801.56, 29,684.88 and 9,926.76

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Solution

The fourth proportional to 19,801.56, 29,684.88 and 9,926.76 is: 14,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.56 : 29,684.88 = 9,926.76 : x
  2. Step 2: Convert to fraction form
    19,801.56/29,684.88 = 9,926.76/x
  3. Step 3: Cross multiply
    19,801.56x = 29,684.88 × 9,926.76
  4. Step 4: Simplify right side
    19,801.56x = 294,674,679.39
  5. Step 5: Solve for x
    x = 294,674,679.39/19,801.56
  6. Step 6: Final answer
    x = 14,881.39

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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.