Home / 22,979.22-34,420.39-10,509.74

Finding the Fourth Proportional to 22,979.22, 34,420.39 and 10,509.74

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Solution

The fourth proportional to 22,979.22, 34,420.39 and 10,509.74 is: 15,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,979.22 : 34,420.39 = 10,509.74 : x
  2. Step 2: Convert to fraction form
    22,979.22/34,420.39 = 10,509.74/x
  3. Step 3: Cross multiply
    22,979.22x = 34,420.39 × 10,509.74
  4. Step 4: Simplify right side
    22,979.22x = 361,749,349.60
  5. Step 5: Solve for x
    x = 361,749,349.60/22,979.22
  6. Step 6: Final answer
    x = 15,742.46

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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.