Home / 19,799.52-29,688.96-6,647.04

Finding the Fourth Proportional to 19,799.52, 29,688.96 and 6,647.04

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Solution

The fourth proportional to 19,799.52, 29,688.96 and 6,647.04 is: 9,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.52 : 29,688.96 = 6,647.04 : x
  2. Step 2: Convert to fraction form
    19,799.52/29,688.96 = 6,647.04/x
  3. Step 3: Cross multiply
    19,799.52x = 29,688.96 × 6,647.04
  4. Step 4: Simplify right side
    19,799.52x = 197,343,704.68
  5. Step 5: Solve for x
    x = 197,343,704.68/19,799.52
  6. Step 6: Final answer
    x = 9,967.10

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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.