Home / 22,320.10-30,800.35-12,246.50

Finding the Fourth Proportional to 22,320.10, 30,800.35 and 12,246.50

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Solution

The fourth proportional to 22,320.10, 30,800.35 and 12,246.50 is: 16,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,320.10 : 30,800.35 = 12,246.50 : x
  2. Step 2: Convert to fraction form
    22,320.10/30,800.35 = 12,246.50/x
  3. Step 3: Cross multiply
    22,320.10x = 30,800.35 × 12,246.50
  4. Step 4: Simplify right side
    22,320.10x = 377,196,486.28
  5. Step 5: Solve for x
    x = 377,196,486.28/22,320.10
  6. Step 6: Final answer
    x = 16,899.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.