Home / 21,846.90-30,151.96-13,353.92

Finding the Fourth Proportional to 21,846.90, 30,151.96 and 13,353.92

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Solution

The fourth proportional to 21,846.90, 30,151.96 and 13,353.92 is: 18,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,846.90 : 30,151.96 = 13,353.92 : x
  2. Step 2: Convert to fraction form
    21,846.90/30,151.96 = 13,353.92/x
  3. Step 3: Cross multiply
    21,846.90x = 30,151.96 × 13,353.92
  4. Step 4: Simplify right side
    21,846.90x = 402,646,861.68
  5. Step 5: Solve for x
    x = 402,646,861.68/21,846.90
  6. Step 6: Final answer
    x = 18,430.39

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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.