Home / 19,598.78-29,402.58-6,450.68

Finding the Fourth Proportional to 19,598.78, 29,402.58 and 6,450.68

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Solution

The fourth proportional to 19,598.78, 29,402.58 and 6,450.68 is: 9,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.78 : 29,402.58 = 6,450.68 : x
  2. Step 2: Convert to fraction form
    19,598.78/29,402.58 = 6,450.68/x
  3. Step 3: Cross multiply
    19,598.78x = 29,402.58 × 6,450.68
  4. Step 4: Simplify right side
    19,598.78x = 189,666,634.75
  5. Step 5: Solve for x
    x = 189,666,634.75/19,598.78
  6. Step 6: Final answer
    x = 9,677.47

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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.