Home / 11,892.49-16,411.93-6,587.70

Finding the Fourth Proportional to 11,892.49, 16,411.93 and 6,587.70

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Solution

The fourth proportional to 11,892.49, 16,411.93 and 6,587.70 is: 9,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.49 : 16,411.93 = 6,587.70 : x
  2. Step 2: Convert to fraction form
    11,892.49/16,411.93 = 6,587.70/x
  3. Step 3: Cross multiply
    11,892.49x = 16,411.93 × 6,587.70
  4. Step 4: Simplify right side
    11,892.49x = 108,116,871.26
  5. Step 5: Solve for x
    x = 108,116,871.26/11,892.49
  6. Step 6: Final answer
    x = 9,091.19

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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.