Home / 9,376.28-12,939.21-5,184.50

Finding the Fourth Proportional to 9,376.28, 12,939.21 and 5,184.50

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Solution

The fourth proportional to 9,376.28, 12,939.21 and 5,184.50 is: 7,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.28 : 12,939.21 = 5,184.50 : x
  2. Step 2: Convert to fraction form
    9,376.28/12,939.21 = 5,184.50/x
  3. Step 3: Cross multiply
    9,376.28x = 12,939.21 × 5,184.50
  4. Step 4: Simplify right side
    9,376.28x = 67,083,334.25
  5. Step 5: Solve for x
    x = 67,083,334.25/9,376.28
  6. Step 6: Final answer
    x = 7,154.58

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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.