Home / 18,712.93-25,779.98-13,037.41

Finding the Fourth Proportional to 18,712.93, 25,779.98 and 13,037.41

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Solution

The fourth proportional to 18,712.93, 25,779.98 and 13,037.41 is: 17,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.93 : 25,779.98 = 13,037.41 : x
  2. Step 2: Convert to fraction form
    18,712.93/25,779.98 = 13,037.41/x
  3. Step 3: Cross multiply
    18,712.93x = 25,779.98 × 13,037.41
  4. Step 4: Simplify right side
    18,712.93x = 336,104,160.53
  5. Step 5: Solve for x
    x = 336,104,160.53/18,712.93
  6. Step 6: Final answer
    x = 17,961.07

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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.