Home / 9,942.30-14,913.45-9,164.70

Finding the Fourth Proportional to 9,942.30, 14,913.45 and 9,164.70

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Solution

The fourth proportional to 9,942.30, 14,913.45 and 9,164.70 is: 13,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.30 : 14,913.45 = 9,164.70 : x
  2. Step 2: Convert to fraction form
    9,942.30/14,913.45 = 9,164.70/x
  3. Step 3: Cross multiply
    9,942.30x = 14,913.45 × 9,164.70
  4. Step 4: Simplify right side
    9,942.30x = 136,677,295.22
  5. Step 5: Solve for x
    x = 136,677,295.22/9,942.30
  6. Step 6: Final answer
    x = 13,747.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.