Home / 9,932.04-13,706.40-5,455.68

Finding the Fourth Proportional to 9,932.04, 13,706.40 and 5,455.68

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Solution

The fourth proportional to 9,932.04, 13,706.40 and 5,455.68 is: 7,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.04 : 13,706.40 = 5,455.68 : x
  2. Step 2: Convert to fraction form
    9,932.04/13,706.40 = 5,455.68/x
  3. Step 3: Cross multiply
    9,932.04x = 13,706.40 × 5,455.68
  4. Step 4: Simplify right side
    9,932.04x = 74,777,732.35
  5. Step 5: Solve for x
    x = 74,777,732.35/9,932.04
  6. Step 6: Final answer
    x = 7,528.94

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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.