Home / 13,734.04-20,550.02-8,190.40

Finding the Fourth Proportional to 13,734.04, 20,550.02 and 8,190.40

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Solution

The fourth proportional to 13,734.04, 20,550.02 and 8,190.40 is: 12,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.04 : 20,550.02 = 8,190.40 : x
  2. Step 2: Convert to fraction form
    13,734.04/20,550.02 = 8,190.40/x
  3. Step 3: Cross multiply
    13,734.04x = 20,550.02 × 8,190.40
  4. Step 4: Simplify right side
    13,734.04x = 168,312,883.81
  5. Step 5: Solve for x
    x = 168,312,883.81/13,734.04
  6. Step 6: Final answer
    x = 12,255.16

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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.