Home / 11,152.30-16,724.40-5,603.80

Finding the Fourth Proportional to 11,152.30, 16,724.40 and 5,603.80

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Solution

The fourth proportional to 11,152.30, 16,724.40 and 5,603.80 is: 8,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.30 : 16,724.40 = 5,603.80 : x
  2. Step 2: Convert to fraction form
    11,152.30/16,724.40 = 5,603.80/x
  3. Step 3: Cross multiply
    11,152.30x = 16,724.40 × 5,603.80
  4. Step 4: Simplify right side
    11,152.30x = 93,720,192.72
  5. Step 5: Solve for x
    x = 93,720,192.72/11,152.30
  6. Step 6: Final answer
    x = 8,403.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.