Home / 13,953.02-20,925.72-5,518.17

Finding the Fourth Proportional to 13,953.02, 20,925.72 and 5,518.17

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Solution

The fourth proportional to 13,953.02, 20,925.72 and 5,518.17 is: 8,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.02 : 20,925.72 = 5,518.17 : x
  2. Step 2: Convert to fraction form
    13,953.02/20,925.72 = 5,518.17/x
  3. Step 3: Cross multiply
    13,953.02x = 20,925.72 × 5,518.17
  4. Step 4: Simplify right side
    13,953.02x = 115,471,680.33
  5. Step 5: Solve for x
    x = 115,471,680.33/13,953.02
  6. Step 6: Final answer
    x = 8,275.75

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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.