Home / 19,531.49-29,298.74-6,385.19

Finding the Fourth Proportional to 19,531.49, 29,298.74 and 6,385.19

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Solution

The fourth proportional to 19,531.49, 29,298.74 and 6,385.19 is: 9,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.49 : 29,298.74 = 6,385.19 : x
  2. Step 2: Convert to fraction form
    19,531.49/29,298.74 = 6,385.19/x
  3. Step 3: Cross multiply
    19,531.49x = 29,298.74 × 6,385.19
  4. Step 4: Simplify right side
    19,531.49x = 187,077,891.13
  5. Step 5: Solve for x
    x = 187,077,891.13/19,531.49
  6. Step 6: Final answer
    x = 9,578.27

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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.