Home / 22,643.54-31,237.26-13,564.52

Finding the Fourth Proportional to 22,643.54, 31,237.26 and 13,564.52

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Solution

The fourth proportional to 22,643.54, 31,237.26 and 13,564.52 is: 18,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.54 : 31,237.26 = 13,564.52 : x
  2. Step 2: Convert to fraction form
    22,643.54/31,237.26 = 13,564.52/x
  3. Step 3: Cross multiply
    22,643.54x = 31,237.26 × 13,564.52
  4. Step 4: Simplify right side
    22,643.54x = 423,718,438.02
  5. Step 5: Solve for x
    x = 423,718,438.02/22,643.54
  6. Step 6: Final answer
    x = 18,712.55

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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.