Home / 14,619.72-20,175.06-7,905.26

Finding the Fourth Proportional to 14,619.72, 20,175.06 and 7,905.26

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Solution

The fourth proportional to 14,619.72, 20,175.06 and 7,905.26 is: 10,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.72 : 20,175.06 = 7,905.26 : x
  2. Step 2: Convert to fraction form
    14,619.72/20,175.06 = 7,905.26/x
  3. Step 3: Cross multiply
    14,619.72x = 20,175.06 × 7,905.26
  4. Step 4: Simplify right side
    14,619.72x = 159,489,094.82
  5. Step 5: Solve for x
    x = 159,489,094.82/14,619.72
  6. Step 6: Final answer
    x = 10,909.18

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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.