Home / 13,574.20-18,732.64-7,605.84

Finding the Fourth Proportional to 13,574.20, 18,732.64 and 7,605.84

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Solution

The fourth proportional to 13,574.20, 18,732.64 and 7,605.84 is: 10,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.20 : 18,732.64 = 7,605.84 : x
  2. Step 2: Convert to fraction form
    13,574.20/18,732.64 = 7,605.84/x
  3. Step 3: Cross multiply
    13,574.20x = 18,732.64 × 7,605.84
  4. Step 4: Simplify right side
    13,574.20x = 142,477,462.62
  5. Step 5: Solve for x
    x = 142,477,462.62/13,574.20
  6. Step 6: Final answer
    x = 10,496.20

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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.