Home / 11,095.88-15,312.30-6,127.88

Finding the Fourth Proportional to 11,095.88, 15,312.30 and 6,127.88

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Solution

The fourth proportional to 11,095.88, 15,312.30 and 6,127.88 is: 8,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.88 : 15,312.30 = 6,127.88 : x
  2. Step 2: Convert to fraction form
    11,095.88/15,312.30 = 6,127.88/x
  3. Step 3: Cross multiply
    11,095.88x = 15,312.30 × 6,127.88
  4. Step 4: Simplify right side
    11,095.88x = 93,831,936.92
  5. Step 5: Solve for x
    x = 93,831,936.92/11,095.88
  6. Step 6: Final answer
    x = 8,456.47

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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.