Home / 11,026.79-15,211.93-7,677.83

Finding the Fourth Proportional to 11,026.79, 15,211.93 and 7,677.83

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Solution

The fourth proportional to 11,026.79, 15,211.93 and 7,677.83 is: 10,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.79 : 15,211.93 = 7,677.83 : x
  2. Step 2: Convert to fraction form
    11,026.79/15,211.93 = 7,677.83/x
  3. Step 3: Cross multiply
    11,026.79x = 15,211.93 × 7,677.83
  4. Step 4: Simplify right side
    11,026.79x = 116,794,612.51
  5. Step 5: Solve for x
    x = 116,794,612.51/11,026.79
  6. Step 6: Final answer
    x = 10,591.90

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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.