Home / 14,335.26-19,739.80-13,289.82

Finding the Fourth Proportional to 14,335.26, 19,739.80 and 13,289.82

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Solution

The fourth proportional to 14,335.26, 19,739.80 and 13,289.82 is: 18,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.26 : 19,739.80 = 13,289.82 : x
  2. Step 2: Convert to fraction form
    14,335.26/19,739.80 = 13,289.82/x
  3. Step 3: Cross multiply
    14,335.26x = 19,739.80 × 13,289.82
  4. Step 4: Simplify right side
    14,335.26x = 262,338,223.69
  5. Step 5: Solve for x
    x = 262,338,223.69/14,335.26
  6. Step 6: Final answer
    x = 18,300.21

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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.