Home / 14,068.74-21,092.64-8,520.72

Finding the Fourth Proportional to 14,068.74, 21,092.64 and 8,520.72

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Solution

The fourth proportional to 14,068.74, 21,092.64 and 8,520.72 is: 12,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.74 : 21,092.64 = 8,520.72 : x
  2. Step 2: Convert to fraction form
    14,068.74/21,092.64 = 8,520.72/x
  3. Step 3: Cross multiply
    14,068.74x = 21,092.64 × 8,520.72
  4. Step 4: Simplify right side
    14,068.74x = 179,724,479.50
  5. Step 5: Solve for x
    x = 179,724,479.50/14,068.74
  6. Step 6: Final answer
    x = 12,774.74

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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.