Home / 13,734.68-20,486.55-12,473.35

Finding the Fourth Proportional to 13,734.68, 20,486.55 and 12,473.35

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Solution

The fourth proportional to 13,734.68, 20,486.55 and 12,473.35 is: 18,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.68 : 20,486.55 = 12,473.35 : x
  2. Step 2: Convert to fraction form
    13,734.68/20,486.55 = 12,473.35/x
  3. Step 3: Cross multiply
    13,734.68x = 20,486.55 × 12,473.35
  4. Step 4: Simplify right side
    13,734.68x = 255,535,810.45
  5. Step 5: Solve for x
    x = 255,535,810.45/13,734.68
  6. Step 6: Final answer
    x = 18,605.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.