Home / 13,225.68-19,838.40-3,365.10

Finding the Fourth Proportional to 13,225.68, 19,838.40 and 3,365.10

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Solution

The fourth proportional to 13,225.68, 19,838.40 and 3,365.10 is: 5,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.68 : 19,838.40 = 3,365.10 : x
  2. Step 2: Convert to fraction form
    13,225.68/19,838.40 = 3,365.10/x
  3. Step 3: Cross multiply
    13,225.68x = 19,838.40 × 3,365.10
  4. Step 4: Simplify right side
    13,225.68x = 66,758,199.84
  5. Step 5: Solve for x
    x = 66,758,199.84/13,225.68
  6. Step 6: Final answer
    x = 5,047.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.