Home / 14,578.32-20,116.80-8,610.24

Finding the Fourth Proportional to 14,578.32, 20,116.80 and 8,610.24

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Solution

The fourth proportional to 14,578.32, 20,116.80 and 8,610.24 is: 11,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.32 : 20,116.80 = 8,610.24 : x
  2. Step 2: Convert to fraction form
    14,578.32/20,116.80 = 8,610.24/x
  3. Step 3: Cross multiply
    14,578.32x = 20,116.80 × 8,610.24
  4. Step 4: Simplify right side
    14,578.32x = 173,210,476.03
  5. Step 5: Solve for x
    x = 173,210,476.03/14,578.32
  6. Step 6: Final answer
    x = 11,881.37

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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.