Home / 11,282.17-16,904.76-7,989.35

Finding the Fourth Proportional to 11,282.17, 16,904.76 and 7,989.35

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Solution

The fourth proportional to 11,282.17, 16,904.76 and 7,989.35 is: 11,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.17 : 16,904.76 = 7,989.35 : x
  2. Step 2: Convert to fraction form
    11,282.17/16,904.76 = 7,989.35/x
  3. Step 3: Cross multiply
    11,282.17x = 16,904.76 × 7,989.35
  4. Step 4: Simplify right side
    11,282.17x = 135,058,044.31
  5. Step 5: Solve for x
    x = 135,058,044.31/11,282.17
  6. Step 6: Final answer
    x = 11,970.93

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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.