Home / 13,323.64-19,985.46-6,751.71

Finding the Fourth Proportional to 13,323.64, 19,985.46 and 6,751.71

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Solution

The fourth proportional to 13,323.64, 19,985.46 and 6,751.71 is: 10,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.64 : 19,985.46 = 6,751.71 : x
  2. Step 2: Convert to fraction form
    13,323.64/19,985.46 = 6,751.71/x
  3. Step 3: Cross multiply
    13,323.64x = 19,985.46 × 6,751.71
  4. Step 4: Simplify right side
    13,323.64x = 134,936,030.14
  5. Step 5: Solve for x
    x = 134,936,030.14/13,323.64
  6. Step 6: Final answer
    x = 10,127.57

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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.