Home / 15,184.04-20,955.80-8,896.41

Finding the Fourth Proportional to 15,184.04, 20,955.80 and 8,896.41

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Solution

The fourth proportional to 15,184.04, 20,955.80 and 8,896.41 is: 12,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.04 : 20,955.80 = 8,896.41 : x
  2. Step 2: Convert to fraction form
    15,184.04/20,955.80 = 8,896.41/x
  3. Step 3: Cross multiply
    15,184.04x = 20,955.80 × 8,896.41
  4. Step 4: Simplify right side
    15,184.04x = 186,431,344.20
  5. Step 5: Solve for x
    x = 186,431,344.20/15,184.04
  6. Step 6: Final answer
    x = 12,278.12

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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.