Home / 11,688.90-16,125.06-8,497.24

Finding the Fourth Proportional to 11,688.90, 16,125.06 and 8,497.24

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Solution

The fourth proportional to 11,688.90, 16,125.06 and 8,497.24 is: 11,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.90 : 16,125.06 = 8,497.24 : x
  2. Step 2: Convert to fraction form
    11,688.90/16,125.06 = 8,497.24/x
  3. Step 3: Cross multiply
    11,688.90x = 16,125.06 × 8,497.24
  4. Step 4: Simplify right side
    11,688.90x = 137,018,504.83
  5. Step 5: Solve for x
    x = 137,018,504.83/11,688.90
  6. Step 6: Final answer
    x = 11,722.10

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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.