Home / 13,812.72-19,050.98-9,329.38

Finding the Fourth Proportional to 13,812.72, 19,050.98 and 9,329.38

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Solution

The fourth proportional to 13,812.72, 19,050.98 and 9,329.38 is: 12,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.72 : 19,050.98 = 9,329.38 : x
  2. Step 2: Convert to fraction form
    13,812.72/19,050.98 = 9,329.38/x
  3. Step 3: Cross multiply
    13,812.72x = 19,050.98 × 9,329.38
  4. Step 4: Simplify right side
    13,812.72x = 177,733,831.79
  5. Step 5: Solve for x
    x = 177,733,831.79/13,812.72
  6. Step 6: Final answer
    x = 12,867.40

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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.