Home / 15,526.92-21,427.23-8,453.34

Finding the Fourth Proportional to 15,526.92, 21,427.23 and 8,453.34

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Solution

The fourth proportional to 15,526.92, 21,427.23 and 8,453.34 is: 11,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526.92 : 21,427.23 = 8,453.34 : x
  2. Step 2: Convert to fraction form
    15,526.92/21,427.23 = 8,453.34/x
  3. Step 3: Cross multiply
    15,526.92x = 21,427.23 × 8,453.34
  4. Step 4: Simplify right side
    15,526.92x = 181,131,660.45
  5. Step 5: Solve for x
    x = 181,131,660.45/15,526.92
  6. Step 6: Final answer
    x = 11,665.65

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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.