Home / 15,967.36-22,037.76-12,184.32

Finding the Fourth Proportional to 15,967.36, 22,037.76 and 12,184.32

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Solution

The fourth proportional to 15,967.36, 22,037.76 and 12,184.32 is: 16,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.36 : 22,037.76 = 12,184.32 : x
  2. Step 2: Convert to fraction form
    15,967.36/22,037.76 = 12,184.32/x
  3. Step 3: Cross multiply
    15,967.36x = 22,037.76 × 12,184.32
  4. Step 4: Simplify right side
    15,967.36x = 268,515,119.92
  5. Step 5: Solve for x
    x = 268,515,119.92/15,967.36
  6. Step 6: Final answer
    x = 16,816.50

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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.