Home / 19,505.55-26,894.86-18,454.58

Finding the Fourth Proportional to 19,505.55, 26,894.86 and 18,454.58

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Solution

The fourth proportional to 19,505.55, 26,894.86 and 18,454.58 is: 25,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.55 : 26,894.86 = 18,454.58 : x
  2. Step 2: Convert to fraction form
    19,505.55/26,894.86 = 18,454.58/x
  3. Step 3: Cross multiply
    19,505.55x = 26,894.86 × 18,454.58
  4. Step 4: Simplify right side
    19,505.55x = 496,333,164.85
  5. Step 5: Solve for x
    x = 496,333,164.85/19,505.55
  6. Step 6: Final answer
    x = 25,445.74

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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.