Home / 19,282.08-26,612.28-11,730.78

Finding the Fourth Proportional to 19,282.08, 26,612.28 and 11,730.78

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Solution

The fourth proportional to 19,282.08, 26,612.28 and 11,730.78 is: 16,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.08 : 26,612.28 = 11,730.78 : x
  2. Step 2: Convert to fraction form
    19,282.08/26,612.28 = 11,730.78/x
  3. Step 3: Cross multiply
    19,282.08x = 26,612.28 × 11,730.78
  4. Step 4: Simplify right side
    19,282.08x = 312,182,801.98
  5. Step 5: Solve for x
    x = 312,182,801.98/19,282.08
  6. Step 6: Final answer
    x = 16,190.31

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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.