Home / 9,660.24-14,488.09-2,638.59

Finding the Fourth Proportional to 9,660.24, 14,488.09 and 2,638.59

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Solution

The fourth proportional to 9,660.24, 14,488.09 and 2,638.59 is: 3,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.24 : 14,488.09 = 2,638.59 : x
  2. Step 2: Convert to fraction form
    9,660.24/14,488.09 = 2,638.59/x
  3. Step 3: Cross multiply
    9,660.24x = 14,488.09 × 2,638.59
  4. Step 4: Simplify right side
    9,660.24x = 38,228,068.47
  5. Step 5: Solve for x
    x = 38,228,068.47/9,660.24
  6. Step 6: Final answer
    x = 3,957.26

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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.