Home / 15,184.53-20,955.17-8,810.64

Finding the Fourth Proportional to 15,184.53, 20,955.17 and 8,810.64

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Solution

The fourth proportional to 15,184.53, 20,955.17 and 8,810.64 is: 12,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.53 : 20,955.17 = 8,810.64 : x
  2. Step 2: Convert to fraction form
    15,184.53/20,955.17 = 8,810.64/x
  3. Step 3: Cross multiply
    15,184.53x = 20,955.17 × 8,810.64
  4. Step 4: Simplify right side
    15,184.53x = 184,628,481.04
  5. Step 5: Solve for x
    x = 184,628,481.04/15,184.53
  6. Step 6: Final answer
    x = 12,158.99

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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.