Home / 14,984.72-20,678.63-8,269.95

Finding the Fourth Proportional to 14,984.72, 20,678.63 and 8,269.95

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Solution

The fourth proportional to 14,984.72, 20,678.63 and 8,269.95 is: 11,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.72 : 20,678.63 = 8,269.95 : x
  2. Step 2: Convert to fraction form
    14,984.72/20,678.63 = 8,269.95/x
  3. Step 3: Cross multiply
    14,984.72x = 20,678.63 × 8,269.95
  4. Step 4: Simplify right side
    14,984.72x = 171,011,194.82
  5. Step 5: Solve for x
    x = 171,011,194.82/14,984.72
  6. Step 6: Final answer
    x = 11,412.38

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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.