Home / 25,134.60-34,685.78-13,804.83

Finding the Fourth Proportional to 25,134.60, 34,685.78 and 13,804.83

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Solution

The fourth proportional to 25,134.60, 34,685.78 and 13,804.83 is: 19,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.60 : 34,685.78 = 13,804.83 : x
  2. Step 2: Convert to fraction form
    25,134.60/34,685.78 = 13,804.83/x
  3. Step 3: Cross multiply
    25,134.60x = 34,685.78 × 13,804.83
  4. Step 4: Simplify right side
    25,134.60x = 478,831,296.32
  5. Step 5: Solve for x
    x = 478,831,296.32/25,134.60
  6. Step 6: Final answer
    x = 19,050.68

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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.