Home / 9,554.64-13,185.14-5,305.47

Finding the Fourth Proportional to 9,554.64, 13,185.14 and 5,305.47

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Solution

The fourth proportional to 9,554.64, 13,185.14 and 5,305.47 is: 7,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,554.64 : 13,185.14 = 5,305.47 : x
  2. Step 2: Convert to fraction form
    9,554.64/13,185.14 = 5,305.47/x
  3. Step 3: Cross multiply
    9,554.64x = 13,185.14 × 5,305.47
  4. Step 4: Simplify right side
    9,554.64x = 69,953,338.19
  5. Step 5: Solve for x
    x = 69,953,338.19/9,554.64
  6. Step 6: Final answer
    x = 7,321.40

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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.