Home / 19,545.20-26,980.44-13,963.76

Finding the Fourth Proportional to 19,545.20, 26,980.44 and 13,963.76

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Solution

The fourth proportional to 19,545.20, 26,980.44 and 13,963.76 is: 19,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.20 : 26,980.44 = 13,963.76 : x
  2. Step 2: Convert to fraction form
    19,545.20/26,980.44 = 13,963.76/x
  3. Step 3: Cross multiply
    19,545.20x = 26,980.44 × 13,963.76
  4. Step 4: Simplify right side
    19,545.20x = 376,748,388.85
  5. Step 5: Solve for x
    x = 376,748,388.85/19,545.20
  6. Step 6: Final answer
    x = 19,275.75

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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.