Home / 10,545.30-14,537.97-8,427.96

Finding the Fourth Proportional to 10,545.30, 14,537.97 and 8,427.96

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Solution

The fourth proportional to 10,545.30, 14,537.97 and 8,427.96 is: 11,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.30 : 14,537.97 = 8,427.96 : x
  2. Step 2: Convert to fraction form
    10,545.30/14,537.97 = 8,427.96/x
  3. Step 3: Cross multiply
    10,545.30x = 14,537.97 × 8,427.96
  4. Step 4: Simplify right side
    10,545.30x = 122,525,429.64
  5. Step 5: Solve for x
    x = 122,525,429.64/10,545.30
  6. Step 6: Final answer
    x = 11,618.96

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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.