Home / 11,807.40-16,292.70-6,772.44

Finding the Fourth Proportional to 11,807.40, 16,292.70 and 6,772.44

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Solution

The fourth proportional to 11,807.40, 16,292.70 and 6,772.44 is: 9,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.40 : 16,292.70 = 6,772.44 : x
  2. Step 2: Convert to fraction form
    11,807.40/16,292.70 = 6,772.44/x
  3. Step 3: Cross multiply
    11,807.40x = 16,292.70 × 6,772.44
  4. Step 4: Simplify right side
    11,807.40x = 110,341,333.19
  5. Step 5: Solve for x
    x = 110,341,333.19/11,807.40
  6. Step 6: Final answer
    x = 9,345.10

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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.