Home / 13,363.29-20,038.80-3,873.45

Finding the Fourth Proportional to 13,363.29, 20,038.80 and 3,873.45

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Solution

The fourth proportional to 13,363.29, 20,038.80 and 3,873.45 is: 5,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.29 : 20,038.80 = 3,873.45 : x
  2. Step 2: Convert to fraction form
    13,363.29/20,038.80 = 3,873.45/x
  3. Step 3: Cross multiply
    13,363.29x = 20,038.80 × 3,873.45
  4. Step 4: Simplify right side
    13,363.29x = 77,619,289.86
  5. Step 5: Solve for x
    x = 77,619,289.86/13,363.29
  6. Step 6: Final answer
    x = 5,808.40

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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.