Home / 19,000.91-26,221.10-10,503.60

Finding the Fourth Proportional to 19,000.91, 26,221.10 and 10,503.60

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Solution

The fourth proportional to 19,000.91, 26,221.10 and 10,503.60 is: 14,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.91 : 26,221.10 = 10,503.60 : x
  2. Step 2: Convert to fraction form
    19,000.91/26,221.10 = 10,503.60/x
  3. Step 3: Cross multiply
    19,000.91x = 26,221.10 × 10,503.60
  4. Step 4: Simplify right side
    19,000.91x = 275,415,945.96
  5. Step 5: Solve for x
    x = 275,415,945.96/19,000.91
  6. Step 6: Final answer
    x = 14,494.88

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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.