Home / 15,351.13-21,184.55-8,727.13

Finding the Fourth Proportional to 15,351.13, 21,184.55 and 8,727.13

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Solution

The fourth proportional to 15,351.13, 21,184.55 and 8,727.13 is: 12,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.13 : 21,184.55 = 8,727.13 : x
  2. Step 2: Convert to fraction form
    15,351.13/21,184.55 = 8,727.13/x
  3. Step 3: Cross multiply
    15,351.13x = 21,184.55 × 8,727.13
  4. Step 4: Simplify right side
    15,351.13x = 184,880,237.74
  5. Step 5: Solve for x
    x = 184,880,237.74/15,351.13
  6. Step 6: Final answer
    x = 12,043.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.