Home / 13,335.81-20,004.87-3,475.07

Finding the Fourth Proportional to 13,335.81, 20,004.87 and 3,475.07

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Solution

The fourth proportional to 13,335.81, 20,004.87 and 3,475.07 is: 5,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.81 : 20,004.87 = 3,475.07 : x
  2. Step 2: Convert to fraction form
    13,335.81/20,004.87 = 3,475.07/x
  3. Step 3: Cross multiply
    13,335.81x = 20,004.87 × 3,475.07
  4. Step 4: Simplify right side
    13,335.81x = 69,518,223.57
  5. Step 5: Solve for x
    x = 69,518,223.57/13,335.81
  6. Step 6: Final answer
    x = 5,212.90

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1.5x scale

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.