Home / 15,223.34-21,029.49-14,425.32

Finding the Fourth Proportional to 15,223.34, 21,029.49 and 14,425.32

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Solution

The fourth proportional to 15,223.34, 21,029.49 and 14,425.32 is: 19,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.34 : 21,029.49 = 14,425.32 : x
  2. Step 2: Convert to fraction form
    15,223.34/21,029.49 = 14,425.32/x
  3. Step 3: Cross multiply
    15,223.34x = 21,029.49 × 14,425.32
  4. Step 4: Simplify right side
    15,223.34x = 303,356,963.25
  5. Step 5: Solve for x
    x = 303,356,963.25/15,223.34
  6. Step 6: Final answer
    x = 19,927.09

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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.