Home / 15,573.21-23,442.95-13,965.75

Finding the Fourth Proportional to 15,573.21, 23,442.95 and 13,965.75

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Solution

The fourth proportional to 15,573.21, 23,442.95 and 13,965.75 is: 21,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.21 : 23,442.95 = 13,965.75 : x
  2. Step 2: Convert to fraction form
    15,573.21/23,442.95 = 13,965.75/x
  3. Step 3: Cross multiply
    15,573.21x = 23,442.95 × 13,965.75
  4. Step 4: Simplify right side
    15,573.21x = 327,398,309.13
  5. Step 5: Solve for x
    x = 327,398,309.13/15,573.21
  6. Step 6: Final answer
    x = 21,023.17

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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.