Home / 13,824.63-19,062.90-9,340.59

Finding the Fourth Proportional to 13,824.63, 19,062.90 and 9,340.59

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Solution

The fourth proportional to 13,824.63, 19,062.90 and 9,340.59 is: 12,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.63 : 19,062.90 = 9,340.59 : x
  2. Step 2: Convert to fraction form
    13,824.63/19,062.90 = 9,340.59/x
  3. Step 3: Cross multiply
    13,824.63x = 19,062.90 × 9,340.59
  4. Step 4: Simplify right side
    13,824.63x = 178,058,637.80
  5. Step 5: Solve for x
    x = 178,058,637.80/13,824.63
  6. Step 6: Final answer
    x = 12,879.82

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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.