Home / 13,959.50-21,032.37-12,626.82

Finding the Fourth Proportional to 13,959.50, 21,032.37 and 12,626.82

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Solution

The fourth proportional to 13,959.50, 21,032.37 and 12,626.82 is: 19,024.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.50 : 21,032.37 = 12,626.82 : x
  2. Step 2: Convert to fraction form
    13,959.50/21,032.37 = 12,626.82/x
  3. Step 3: Cross multiply
    13,959.50x = 21,032.37 × 12,626.82
  4. Step 4: Simplify right side
    13,959.50x = 265,571,950.16
  5. Step 5: Solve for x
    x = 265,571,950.16/13,959.50
  6. Step 6: Final answer
    x = 19,024.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.