Home / 22,276.08-30,741.99-12,718.55

Finding the Fourth Proportional to 22,276.08, 30,741.99 and 12,718.55

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Solution

The fourth proportional to 22,276.08, 30,741.99 and 12,718.55 is: 17,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.08 : 30,741.99 = 12,718.55 : x
  2. Step 2: Convert to fraction form
    22,276.08/30,741.99 = 12,718.55/x
  3. Step 3: Cross multiply
    22,276.08x = 30,741.99 × 12,718.55
  4. Step 4: Simplify right side
    22,276.08x = 390,993,383.20
  5. Step 5: Solve for x
    x = 390,993,383.20/22,276.08
  6. Step 6: Final answer
    x = 17,552.16

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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.