Home / 19,511.10-29,259.45-6,363.90

Finding the Fourth Proportional to 19,511.10, 29,259.45 and 6,363.90

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Solution

The fourth proportional to 19,511.10, 29,259.45 and 6,363.90 is: 9,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.10 : 29,259.45 = 6,363.90 : x
  2. Step 2: Convert to fraction form
    19,511.10/29,259.45 = 6,363.90/x
  3. Step 3: Cross multiply
    19,511.10x = 29,259.45 × 6,363.90
  4. Step 4: Simplify right side
    19,511.10x = 186,204,213.86
  5. Step 5: Solve for x
    x = 186,204,213.86/19,511.10
  6. Step 6: Final answer
    x = 9,543.50

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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.