Home / 20,622.30-30,935.07-5,830.98

Finding the Fourth Proportional to 20,622.30, 30,935.07 and 5,830.98

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Solution

The fourth proportional to 20,622.30, 30,935.07 and 5,830.98 is: 8,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.30 : 30,935.07 = 5,830.98 : x
  2. Step 2: Convert to fraction form
    20,622.30/30,935.07 = 5,830.98/x
  3. Step 3: Cross multiply
    20,622.30x = 30,935.07 × 5,830.98
  4. Step 4: Simplify right side
    20,622.30x = 180,381,774.47
  5. Step 5: Solve for x
    x = 180,381,774.47/20,622.30
  6. Step 6: Final answer
    x = 8,746.93

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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.