Home / 19,352.48-29,028.40-8,266.40

Finding the Fourth Proportional to 19,352.48, 29,028.40 and 8,266.40

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Solution

The fourth proportional to 19,352.48, 29,028.40 and 8,266.40 is: 12,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.48 : 29,028.40 = 8,266.40 : x
  2. Step 2: Convert to fraction form
    19,352.48/29,028.40 = 8,266.40/x
  3. Step 3: Cross multiply
    19,352.48x = 29,028.40 × 8,266.40
  4. Step 4: Simplify right side
    19,352.48x = 239,960,365.76
  5. Step 5: Solve for x
    x = 239,960,365.76/19,352.48
  6. Step 6: Final answer
    x = 12,399.46

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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.