Home / 9,966.90-14,934.15-9,383.70

Finding the Fourth Proportional to 9,966.90, 14,934.15 and 9,383.70

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Solution

The fourth proportional to 9,966.90, 14,934.15 and 9,383.70 is: 14,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.90 : 14,934.15 = 9,383.70 : x
  2. Step 2: Convert to fraction form
    9,966.90/14,934.15 = 9,383.70/x
  3. Step 3: Cross multiply
    9,966.90x = 14,934.15 × 9,383.70
  4. Step 4: Simplify right side
    9,966.90x = 140,137,583.36
  5. Step 5: Solve for x
    x = 140,137,583.36/9,966.90
  6. Step 6: Final answer
    x = 14,060.30

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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.