Home / 23,870.21-32,940.93-13,259.85

Finding the Fourth Proportional to 23,870.21, 32,940.93 and 13,259.85

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Solution

The fourth proportional to 23,870.21, 32,940.93 and 13,259.85 is: 18,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.21 : 32,940.93 = 13,259.85 : x
  2. Step 2: Convert to fraction form
    23,870.21/32,940.93 = 13,259.85/x
  3. Step 3: Cross multiply
    23,870.21x = 32,940.93 × 13,259.85
  4. Step 4: Simplify right side
    23,870.21x = 436,791,716.86
  5. Step 5: Solve for x
    x = 436,791,716.86/23,870.21
  6. Step 6: Final answer
    x = 18,298.62

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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.