Home / 15,745.64-23,503.26-13,877.36

Finding the Fourth Proportional to 15,745.64, 23,503.26 and 13,877.36

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Solution

The fourth proportional to 15,745.64, 23,503.26 and 13,877.36 is: 20,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.64 : 23,503.26 = 13,877.36 : x
  2. Step 2: Convert to fraction form
    15,745.64/23,503.26 = 13,877.36/x
  3. Step 3: Cross multiply
    15,745.64x = 23,503.26 × 13,877.36
  4. Step 4: Simplify right side
    15,745.64x = 326,163,200.19
  5. Step 5: Solve for x
    x = 326,163,200.19/15,745.64
  6. Step 6: Final answer
    x = 20,714.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.