Home / 19,355.15-26,721.19-14,809.47

Finding the Fourth Proportional to 19,355.15, 26,721.19 and 14,809.47

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Solution

The fourth proportional to 19,355.15, 26,721.19 and 14,809.47 is: 20,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.15 : 26,721.19 = 14,809.47 : x
  2. Step 2: Convert to fraction form
    19,355.15/26,721.19 = 14,809.47/x
  3. Step 3: Cross multiply
    19,355.15x = 26,721.19 × 14,809.47
  4. Step 4: Simplify right side
    19,355.15x = 395,726,579.98
  5. Step 5: Solve for x
    x = 395,726,579.98/19,355.15
  6. Step 6: Final answer
    x = 20,445.54

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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.