Home / 14,619.68-20,175.07-7,905.32

Finding the Fourth Proportional to 14,619.68, 20,175.07 and 7,905.32

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Solution

The fourth proportional to 14,619.68, 20,175.07 and 7,905.32 is: 10,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.68 : 20,175.07 = 7,905.32 : x
  2. Step 2: Convert to fraction form
    14,619.68/20,175.07 = 7,905.32/x
  3. Step 3: Cross multiply
    14,619.68x = 20,175.07 × 7,905.32
  4. Step 4: Simplify right side
    14,619.68x = 159,490,384.37
  5. Step 5: Solve for x
    x = 159,490,384.37/14,619.68
  6. Step 6: Final answer
    x = 10,909.29

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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.