Home / 15,194.28-20,962.48-8,904.36

Finding the Fourth Proportional to 15,194.28, 20,962.48 and 8,904.36

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Solution

The fourth proportional to 15,194.28, 20,962.48 and 8,904.36 is: 12,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.28 : 20,962.48 = 8,904.36 : x
  2. Step 2: Convert to fraction form
    15,194.28/20,962.48 = 8,904.36/x
  3. Step 3: Cross multiply
    15,194.28x = 20,962.48 × 8,904.36
  4. Step 4: Simplify right side
    15,194.28x = 186,657,468.41
  5. Step 5: Solve for x
    x = 186,657,468.41/15,194.28
  6. Step 6: Final answer
    x = 12,284.72

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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.