Home / 25,136.76-34,688.46-13,958.84

Finding the Fourth Proportional to 25,136.76, 34,688.46 and 13,958.84

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Solution

The fourth proportional to 25,136.76, 34,688.46 and 13,958.84 is: 19,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.76 : 34,688.46 = 13,958.84 : x
  2. Step 2: Convert to fraction form
    25,136.76/34,688.46 = 13,958.84/x
  3. Step 3: Cross multiply
    25,136.76x = 34,688.46 × 13,958.84
  4. Step 4: Simplify right side
    25,136.76x = 484,210,662.99
  5. Step 5: Solve for x
    x = 484,210,662.99/25,136.76
  6. Step 6: Final answer
    x = 19,263.05

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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.