Home / 14,645.61-20,213.31-8,983.50

Finding the Fourth Proportional to 14,645.61, 20,213.31 and 8,983.50

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Solution

The fourth proportional to 14,645.61, 20,213.31 and 8,983.50 is: 12,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.61 : 20,213.31 = 8,983.50 : x
  2. Step 2: Convert to fraction form
    14,645.61/20,213.31 = 8,983.50/x
  3. Step 3: Cross multiply
    14,645.61x = 20,213.31 × 8,983.50
  4. Step 4: Simplify right side
    14,645.61x = 181,586,270.39
  5. Step 5: Solve for x
    x = 181,586,270.39/14,645.61
  6. Step 6: Final answer
    x = 12,398.68

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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.