Home / 14,023.96-21,035.77-8,109.74

Finding the Fourth Proportional to 14,023.96, 21,035.77 and 8,109.74

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Solution

The fourth proportional to 14,023.96, 21,035.77 and 8,109.74 is: 12,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.96 : 21,035.77 = 8,109.74 : x
  2. Step 2: Convert to fraction form
    14,023.96/21,035.77 = 8,109.74/x
  3. Step 3: Cross multiply
    14,023.96x = 21,035.77 × 8,109.74
  4. Step 4: Simplify right side
    14,023.96x = 170,594,657.71
  5. Step 5: Solve for x
    x = 170,594,657.71/14,023.96
  6. Step 6: Final answer
    x = 12,164.52

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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.