Home / 19,846.60-29,772.54-10,487.00

Finding the Fourth Proportional to 19,846.60, 29,772.54 and 10,487.00

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Solution

The fourth proportional to 19,846.60, 29,772.54 and 10,487.00 is: 15,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.60 : 29,772.54 = 10,487.00 : x
  2. Step 2: Convert to fraction form
    19,846.60/29,772.54 = 10,487.00/x
  3. Step 3: Cross multiply
    19,846.60x = 29,772.54 × 10,487.00
  4. Step 4: Simplify right side
    19,846.60x = 312,224,740.74
  5. Step 5: Solve for x
    x = 312,224,740.74/19,846.60
  6. Step 6: Final answer
    x = 15,731.90

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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.