Home / 14,501.43-20,010.51-8,450.73

Finding the Fourth Proportional to 14,501.43, 20,010.51 and 8,450.73

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Solution

The fourth proportional to 14,501.43, 20,010.51 and 8,450.73 is: 11,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,501.43 : 20,010.51 = 8,450.73 : x
  2. Step 2: Convert to fraction form
    14,501.43/20,010.51 = 8,450.73/x
  3. Step 3: Cross multiply
    14,501.43x = 20,010.51 × 8,450.73
  4. Step 4: Simplify right side
    14,501.43x = 169,103,417.17
  5. Step 5: Solve for x
    x = 169,103,417.17/14,501.43
  6. Step 6: Final answer
    x = 11,661.15

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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.