Home / 13,293.18-18,324.45-10,931.22

Finding the Fourth Proportional to 13,293.18, 18,324.45 and 10,931.22

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Solution

The fourth proportional to 13,293.18, 18,324.45 and 10,931.22 is: 15,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.18 : 18,324.45 = 10,931.22 : x
  2. Step 2: Convert to fraction form
    13,293.18/18,324.45 = 10,931.22/x
  3. Step 3: Cross multiply
    13,293.18x = 18,324.45 × 10,931.22
  4. Step 4: Simplify right side
    13,293.18x = 200,308,594.33
  5. Step 5: Solve for x
    x = 200,308,594.33/13,293.18
  6. Step 6: Final answer
    x = 15,068.52

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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.