Home / 10,638.88-14,681.59-6,162.54

Finding the Fourth Proportional to 10,638.88, 14,681.59 and 6,162.54

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Solution

The fourth proportional to 10,638.88, 14,681.59 and 6,162.54 is: 8,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.88 : 14,681.59 = 6,162.54 : x
  2. Step 2: Convert to fraction form
    10,638.88/14,681.59 = 6,162.54/x
  3. Step 3: Cross multiply
    10,638.88x = 14,681.59 × 6,162.54
  4. Step 4: Simplify right side
    10,638.88x = 90,475,815.18
  5. Step 5: Solve for x
    x = 90,475,815.18/10,638.88
  6. Step 6: Final answer
    x = 8,504.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.