Home / 19,877.58-27,432.48-13,151.58

Finding the Fourth Proportional to 19,877.58, 27,432.48 and 13,151.58

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Solution

The fourth proportional to 19,877.58, 27,432.48 and 13,151.58 is: 18,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.58 : 27,432.48 = 13,151.58 : x
  2. Step 2: Convert to fraction form
    19,877.58/27,432.48 = 13,151.58/x
  3. Step 3: Cross multiply
    19,877.58x = 27,432.48 × 13,151.58
  4. Step 4: Simplify right side
    19,877.58x = 360,780,455.32
  5. Step 5: Solve for x
    x = 360,780,455.32/19,877.58
  6. Step 6: Final answer
    x = 18,150.12

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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.