Home / 15,469.36-21,339.64-9,502.36

Finding the Fourth Proportional to 15,469.36, 21,339.64 and 9,502.36

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Solution

The fourth proportional to 15,469.36, 21,339.64 and 9,502.36 is: 13,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.36 : 21,339.64 = 9,502.36 : x
  2. Step 2: Convert to fraction form
    15,469.36/21,339.64 = 9,502.36/x
  3. Step 3: Cross multiply
    15,469.36x = 21,339.64 × 9,502.36
  4. Step 4: Simplify right side
    15,469.36x = 202,776,941.55
  5. Step 5: Solve for x
    x = 202,776,941.55/15,469.36
  6. Step 6: Final answer
    x = 13,108.30

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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.