Home / 9,965.04-13,758.36-6,434.16

Finding the Fourth Proportional to 9,965.04, 13,758.36 and 6,434.16

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Solution

The fourth proportional to 9,965.04, 13,758.36 and 6,434.16 is: 8,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965.04 : 13,758.36 = 6,434.16 : x
  2. Step 2: Convert to fraction form
    9,965.04/13,758.36 = 6,434.16/x
  3. Step 3: Cross multiply
    9,965.04x = 13,758.36 × 6,434.16
  4. Step 4: Simplify right side
    9,965.04x = 88,523,489.58
  5. Step 5: Solve for x
    x = 88,523,489.58/9,965.04
  6. Step 6: Final answer
    x = 8,883.41

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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.