Home / 22,386.12-33,579-8,345.70

Finding the Fourth Proportional to 22,386.12, 33,579 and 8,345.70

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Solution

The fourth proportional to 22,386.12, 33,579 and 8,345.70 is: 12,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.12 : 33,579 = 8,345.70 : x
  2. Step 2: Convert to fraction form
    22,386.12/33,579 = 8,345.70/x
  3. Step 3: Cross multiply
    22,386.12x = 33,579 × 8,345.70
  4. Step 4: Simplify right side
    22,386.12x = 280,240,260.30
  5. Step 5: Solve for x
    x = 280,240,260.30/22,386.12
  6. Step 6: Final answer
    x = 12,518.48

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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.