Home / 13,470.43-20,214.89-4,705.36

Finding the Fourth Proportional to 13,470.43, 20,214.89 and 4,705.36

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Solution

The fourth proportional to 13,470.43, 20,214.89 and 4,705.36 is: 7,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.43 : 20,214.89 = 4,705.36 : x
  2. Step 2: Convert to fraction form
    13,470.43/20,214.89 = 4,705.36/x
  3. Step 3: Cross multiply
    13,470.43x = 20,214.89 × 4,705.36
  4. Step 4: Simplify right side
    13,470.43x = 95,118,334.81
  5. Step 5: Solve for x
    x = 95,118,334.81/13,470.43
  6. Step 6: Final answer
    x = 7,061.27

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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.