Home / 19,267.47-28,887.15-13,011.96

Finding the Fourth Proportional to 19,267.47, 28,887.15 and 13,011.96

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Solution

The fourth proportional to 19,267.47, 28,887.15 and 13,011.96 is: 19,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.47 : 28,887.15 = 13,011.96 : x
  2. Step 2: Convert to fraction form
    19,267.47/28,887.15 = 13,011.96/x
  3. Step 3: Cross multiply
    19,267.47x = 28,887.15 × 13,011.96
  4. Step 4: Simplify right side
    19,267.47x = 375,878,440.31
  5. Step 5: Solve for x
    x = 375,878,440.31/19,267.47
  6. Step 6: Final answer
    x = 19,508.45

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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.