Home / 14,445.46-19,938.36-8,161.48

Finding the Fourth Proportional to 14,445.46, 19,938.36 and 8,161.48

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Solution

The fourth proportional to 14,445.46, 19,938.36 and 8,161.48 is: 11,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.46 : 19,938.36 = 8,161.48 : x
  2. Step 2: Convert to fraction form
    14,445.46/19,938.36 = 8,161.48/x
  3. Step 3: Cross multiply
    14,445.46x = 19,938.36 × 8,161.48
  4. Step 4: Simplify right side
    14,445.46x = 162,726,526.37
  5. Step 5: Solve for x
    x = 162,726,526.37/14,445.46
  6. Step 6: Final answer
    x = 11,264.89

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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.