Home / 12,240.48-16,892.40-8,056.80

Finding the Fourth Proportional to 12,240.48, 16,892.40 and 8,056.80

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Solution

The fourth proportional to 12,240.48, 16,892.40 and 8,056.80 is: 11,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.48 : 16,892.40 = 8,056.80 : x
  2. Step 2: Convert to fraction form
    12,240.48/16,892.40 = 8,056.80/x
  3. Step 3: Cross multiply
    12,240.48x = 16,892.40 × 8,056.80
  4. Step 4: Simplify right side
    12,240.48x = 136,098,688.32
  5. Step 5: Solve for x
    x = 136,098,688.32/12,240.48
  6. Step 6: Final answer
    x = 11,118.74

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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.