Home / 9,434.88-13,011.12-6,416.64

Finding the Fourth Proportional to 9,434.88, 13,011.12 and 6,416.64

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Solution

The fourth proportional to 9,434.88, 13,011.12 and 6,416.64 is: 8,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.88 : 13,011.12 = 6,416.64 : x
  2. Step 2: Convert to fraction form
    9,434.88/13,011.12 = 6,416.64/x
  3. Step 3: Cross multiply
    9,434.88x = 13,011.12 × 6,416.64
  4. Step 4: Simplify right side
    9,434.88x = 83,487,673.04
  5. Step 5: Solve for x
    x = 83,487,673.04/9,434.88
  6. Step 6: Final answer
    x = 8,848.83

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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.