Home / 19,564.72-29,350.72-6,420.84

Finding the Fourth Proportional to 19,564.72, 29,350.72 and 6,420.84

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Solution

The fourth proportional to 19,564.72, 29,350.72 and 6,420.84 is: 9,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.72 : 29,350.72 = 6,420.84 : x
  2. Step 2: Convert to fraction form
    19,564.72/29,350.72 = 6,420.84/x
  3. Step 3: Cross multiply
    19,564.72x = 29,350.72 × 6,420.84
  4. Step 4: Simplify right side
    19,564.72x = 188,456,277.00
  5. Step 5: Solve for x
    x = 188,456,277.00/19,564.72
  6. Step 6: Final answer
    x = 9,632.45

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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.