Home / 9,478.24-14,217.36-8,764

Finding the Fourth Proportional to 9,478.24, 14,217.36 and 8,764

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Solution

The fourth proportional to 9,478.24, 14,217.36 and 8,764 is: 13,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.24 : 14,217.36 = 8,764 : x
  2. Step 2: Convert to fraction form
    9,478.24/14,217.36 = 8,764/x
  3. Step 3: Cross multiply
    9,478.24x = 14,217.36 × 8,764
  4. Step 4: Simplify right side
    9,478.24x = 124,600,943.04
  5. Step 5: Solve for x
    x = 124,600,943.04/9,478.24
  6. Step 6: Final answer
    x = 13,146.00

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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.