Home / 19,967.58-29,974.05-10,117.98

Finding the Fourth Proportional to 19,967.58, 29,974.05 and 10,117.98

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Solution

The fourth proportional to 19,967.58, 29,974.05 and 10,117.98 is: 15,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,967.58 : 29,974.05 = 10,117.98 : x
  2. Step 2: Convert to fraction form
    19,967.58/29,974.05 = 10,117.98/x
  3. Step 3: Cross multiply
    19,967.58x = 29,974.05 × 10,117.98
  4. Step 4: Simplify right side
    19,967.58x = 303,276,838.42
  5. Step 5: Solve for x
    x = 303,276,838.42/19,967.58
  6. Step 6: Final answer
    x = 15,188.46

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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.