Home / 19,269.12-28,908.72-8,176.24

Finding the Fourth Proportional to 19,269.12, 28,908.72 and 8,176.24

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Solution

The fourth proportional to 19,269.12, 28,908.72 and 8,176.24 is: 12,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.12 : 28,908.72 = 8,176.24 : x
  2. Step 2: Convert to fraction form
    19,269.12/28,908.72 = 8,176.24/x
  3. Step 3: Cross multiply
    19,269.12x = 28,908.72 × 8,176.24
  4. Step 4: Simplify right side
    19,269.12x = 236,364,632.81
  5. Step 5: Solve for x
    x = 236,364,632.81/19,269.12
  6. Step 6: Final answer
    x = 12,266.50

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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.