Home / 10,467.81-15,673.77-8,807.06

Finding the Fourth Proportional to 10,467.81, 15,673.77 and 8,807.06

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Solution

The fourth proportional to 10,467.81, 15,673.77 and 8,807.06 is: 13,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.81 : 15,673.77 = 8,807.06 : x
  2. Step 2: Convert to fraction form
    10,467.81/15,673.77 = 8,807.06/x
  3. Step 3: Cross multiply
    10,467.81x = 15,673.77 × 8,807.06
  4. Step 4: Simplify right side
    10,467.81x = 138,039,754.45
  5. Step 5: Solve for x
    x = 138,039,754.45/10,467.81
  6. Step 6: Final answer
    x = 13,187.07

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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.