Home / 9,768.18-14,638.24-5,554.79

Finding the Fourth Proportional to 9,768.18, 14,638.24 and 5,554.79

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Solution

The fourth proportional to 9,768.18, 14,638.24 and 5,554.79 is: 8,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.18 : 14,638.24 = 5,554.79 : x
  2. Step 2: Convert to fraction form
    9,768.18/14,638.24 = 5,554.79/x
  3. Step 3: Cross multiply
    9,768.18x = 14,638.24 × 5,554.79
  4. Step 4: Simplify right side
    9,768.18x = 81,312,349.17
  5. Step 5: Solve for x
    x = 81,312,349.17/9,768.18
  6. Step 6: Final answer
    x = 8,324.21

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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.