Home / 9,891.28-14,828.79-4,623.68

Finding the Fourth Proportional to 9,891.28, 14,828.79 and 4,623.68

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Solution

The fourth proportional to 9,891.28, 14,828.79 and 4,623.68 is: 6,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.28 : 14,828.79 = 4,623.68 : x
  2. Step 2: Convert to fraction form
    9,891.28/14,828.79 = 4,623.68/x
  3. Step 3: Cross multiply
    9,891.28x = 14,828.79 × 4,623.68
  4. Step 4: Simplify right side
    9,891.28x = 68,563,579.75
  5. Step 5: Solve for x
    x = 68,563,579.75/9,891.28
  6. Step 6: Final answer
    x = 6,931.72

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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.