Home / 17,623.92-24,320.40-9,665.76

Finding the Fourth Proportional to 17,623.92, 24,320.40 and 9,665.76

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Solution

The fourth proportional to 17,623.92, 24,320.40 and 9,665.76 is: 13,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.92 : 24,320.40 = 9,665.76 : x
  2. Step 2: Convert to fraction form
    17,623.92/24,320.40 = 9,665.76/x
  3. Step 3: Cross multiply
    17,623.92x = 24,320.40 × 9,665.76
  4. Step 4: Simplify right side
    17,623.92x = 235,075,149.50
  5. Step 5: Solve for x
    x = 235,075,149.50/17,623.92
  6. Step 6: Final answer
    x = 13,338.41

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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.