Home / 9,428.88-14,155.67-6,322.78

Finding the Fourth Proportional to 9,428.88, 14,155.67 and 6,322.78

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Solution

The fourth proportional to 9,428.88, 14,155.67 and 6,322.78 is: 9,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.88 : 14,155.67 = 6,322.78 : x
  2. Step 2: Convert to fraction form
    9,428.88/14,155.67 = 6,322.78/x
  3. Step 3: Cross multiply
    9,428.88x = 14,155.67 × 6,322.78
  4. Step 4: Simplify right side
    9,428.88x = 89,503,232.52
  5. Step 5: Solve for x
    x = 89,503,232.52/9,428.88
  6. Step 6: Final answer
    x = 9,492.46

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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.