Home / 14,889.48-20,548.02-8,175.24

Finding the Fourth Proportional to 14,889.48, 20,548.02 and 8,175.24

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Solution

The fourth proportional to 14,889.48, 20,548.02 and 8,175.24 is: 11,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.48 : 20,548.02 = 8,175.24 : x
  2. Step 2: Convert to fraction form
    14,889.48/20,548.02 = 8,175.24/x
  3. Step 3: Cross multiply
    14,889.48x = 20,548.02 × 8,175.24
  4. Step 4: Simplify right side
    14,889.48x = 167,984,995.02
  5. Step 5: Solve for x
    x = 167,984,995.02/14,889.48
  6. Step 6: Final answer
    x = 11,282.13

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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.