Home / 14,130.22-19,503.25-8,165.36

Finding the Fourth Proportional to 14,130.22, 19,503.25 and 8,165.36

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Solution

The fourth proportional to 14,130.22, 19,503.25 and 8,165.36 is: 11,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.22 : 19,503.25 = 8,165.36 : x
  2. Step 2: Convert to fraction form
    14,130.22/19,503.25 = 8,165.36/x
  3. Step 3: Cross multiply
    14,130.22x = 19,503.25 × 8,165.36
  4. Step 4: Simplify right side
    14,130.22x = 159,251,057.42
  5. Step 5: Solve for x
    x = 159,251,057.42/14,130.22
  6. Step 6: Final answer
    x = 11,270.25

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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.