Home / 9,321.04-13,991.28-4,130.56

Finding the Fourth Proportional to 9,321.04, 13,991.28 and 4,130.56

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Solution

The fourth proportional to 9,321.04, 13,991.28 and 4,130.56 is: 6,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.04 : 13,991.28 = 4,130.56 : x
  2. Step 2: Convert to fraction form
    9,321.04/13,991.28 = 4,130.56/x
  3. Step 3: Cross multiply
    9,321.04x = 13,991.28 × 4,130.56
  4. Step 4: Simplify right side
    9,321.04x = 57,791,821.52
  5. Step 5: Solve for x
    x = 57,791,821.52/9,321.04
  6. Step 6: Final answer
    x = 6,200.15

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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.