Home / 19,009.60-26,231.50-10,511.70

Finding the Fourth Proportional to 19,009.60, 26,231.50 and 10,511.70

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Solution

The fourth proportional to 19,009.60, 26,231.50 and 10,511.70 is: 14,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.60 : 26,231.50 = 10,511.70 : x
  2. Step 2: Convert to fraction form
    19,009.60/26,231.50 = 10,511.70/x
  3. Step 3: Cross multiply
    19,009.60x = 26,231.50 × 10,511.70
  4. Step 4: Simplify right side
    19,009.60x = 275,737,658.55
  5. Step 5: Solve for x
    x = 275,737,658.55/19,009.60
  6. Step 6: Final answer
    x = 14,505.18

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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.