Home / 19,430.43-29,096.42-12,012.39

Finding the Fourth Proportional to 19,430.43, 29,096.42 and 12,012.39

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Solution

The fourth proportional to 19,430.43, 29,096.42 and 12,012.39 is: 17,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.43 : 29,096.42 = 12,012.39 : x
  2. Step 2: Convert to fraction form
    19,430.43/29,096.42 = 12,012.39/x
  3. Step 3: Cross multiply
    19,430.43x = 29,096.42 × 12,012.39
  4. Step 4: Simplify right side
    19,430.43x = 349,517,484.58
  5. Step 5: Solve for x
    x = 349,517,484.58/19,430.43
  6. Step 6: Final answer
    x = 17,988.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.