Home / 9,320.98-13,986.23-5,160.20

Finding the Fourth Proportional to 9,320.98, 13,986.23 and 5,160.20

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Solution

The fourth proportional to 9,320.98, 13,986.23 and 5,160.20 is: 7,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.98 : 13,986.23 = 5,160.20 : x
  2. Step 2: Convert to fraction form
    9,320.98/13,986.23 = 5,160.20/x
  3. Step 3: Cross multiply
    9,320.98x = 13,986.23 × 5,160.20
  4. Step 4: Simplify right side
    9,320.98x = 72,171,744.05
  5. Step 5: Solve for x
    x = 72,171,744.05/9,320.98
  6. Step 6: Final answer
    x = 7,742.94

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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.