Home / 19,246.88-28,798.40-13,712.96

Finding the Fourth Proportional to 19,246.88, 28,798.40 and 13,712.96

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Solution

The fourth proportional to 19,246.88, 28,798.40 and 13,712.96 is: 20,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.88 : 28,798.40 = 13,712.96 : x
  2. Step 2: Convert to fraction form
    19,246.88/28,798.40 = 13,712.96/x
  3. Step 3: Cross multiply
    19,246.88x = 28,798.40 × 13,712.96
  4. Step 4: Simplify right side
    19,246.88x = 394,911,307.26
  5. Step 5: Solve for x
    x = 394,911,307.26/19,246.88
  6. Step 6: Final answer
    x = 20,518.20

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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.