Home / 19,417.14-29,167.20-13,905.90

Finding the Fourth Proportional to 19,417.14, 29,167.20 and 13,905.90

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Solution

The fourth proportional to 19,417.14, 29,167.20 and 13,905.90 is: 20,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.14 : 29,167.20 = 13,905.90 : x
  2. Step 2: Convert to fraction form
    19,417.14/29,167.20 = 13,905.90/x
  3. Step 3: Cross multiply
    19,417.14x = 29,167.20 × 13,905.90
  4. Step 4: Simplify right side
    19,417.14x = 405,596,166.48
  5. Step 5: Solve for x
    x = 405,596,166.48/19,417.14
  6. Step 6: Final answer
    x = 20,888.56

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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.