Home / 19,011.42-28,512.89-5,499.63

Finding the Fourth Proportional to 19,011.42, 28,512.89 and 5,499.63

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Solution

The fourth proportional to 19,011.42, 28,512.89 and 5,499.63 is: 8,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.42 : 28,512.89 = 5,499.63 : x
  2. Step 2: Convert to fraction form
    19,011.42/28,512.89 = 5,499.63/x
  3. Step 3: Cross multiply
    19,011.42x = 28,512.89 × 5,499.63
  4. Step 4: Simplify right side
    19,011.42x = 156,810,430.26
  5. Step 5: Solve for x
    x = 156,810,430.26/19,011.42
  6. Step 6: Final answer
    x = 8,248.22

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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.