Home / 9,830.12-13,563.43-5,850.45

Finding the Fourth Proportional to 9,830.12, 13,563.43 and 5,850.45

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Solution

The fourth proportional to 9,830.12, 13,563.43 and 5,850.45 is: 8,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.12 : 13,563.43 = 5,850.45 : x
  2. Step 2: Convert to fraction form
    9,830.12/13,563.43 = 5,850.45/x
  3. Step 3: Cross multiply
    9,830.12x = 13,563.43 × 5,850.45
  4. Step 4: Simplify right side
    9,830.12x = 79,352,154.42
  5. Step 5: Solve for x
    x = 79,352,154.42/9,830.12
  6. Step 6: Final answer
    x = 8,072.35

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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.