Home / 11,127.47-16,690.76-2,807.37

Finding the Fourth Proportional to 11,127.47, 16,690.76 and 2,807.37

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Solution

The fourth proportional to 11,127.47, 16,690.76 and 2,807.37 is: 4,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.47 : 16,690.76 = 2,807.37 : x
  2. Step 2: Convert to fraction form
    11,127.47/16,690.76 = 2,807.37/x
  3. Step 3: Cross multiply
    11,127.47x = 16,690.76 × 2,807.37
  4. Step 4: Simplify right side
    11,127.47x = 46,857,124.86
  5. Step 5: Solve for x
    x = 46,857,124.86/11,127.47
  6. Step 6: Final answer
    x = 4,210.94

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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.