Home / 13,323.71-18,386.35-7,354.96

Finding the Fourth Proportional to 13,323.71, 18,386.35 and 7,354.96

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Solution

The fourth proportional to 13,323.71, 18,386.35 and 7,354.96 is: 10,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.71 : 18,386.35 = 7,354.96 : x
  2. Step 2: Convert to fraction form
    13,323.71/18,386.35 = 7,354.96/x
  3. Step 3: Cross multiply
    13,323.71x = 18,386.35 × 7,354.96
  4. Step 4: Simplify right side
    13,323.71x = 135,230,804.44
  5. Step 5: Solve for x
    x = 135,230,804.44/13,323.71
  6. Step 6: Final answer
    x = 10,149.63

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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.