Home / 19,966.32-29,967.87-10,112.46

Finding the Fourth Proportional to 19,966.32, 29,967.87 and 10,112.46

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Solution

The fourth proportional to 19,966.32, 29,967.87 and 10,112.46 is: 15,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.32 : 29,967.87 = 10,112.46 : x
  2. Step 2: Convert to fraction form
    19,966.32/29,967.87 = 10,112.46/x
  3. Step 3: Cross multiply
    19,966.32x = 29,967.87 × 10,112.46
  4. Step 4: Simplify right side
    19,966.32x = 303,048,886.66
  5. Step 5: Solve for x
    x = 303,048,886.66/19,966.32
  6. Step 6: Final answer
    x = 15,178.00

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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.