Home / 14,876.96-20,530.51-8,162.19

Finding the Fourth Proportional to 14,876.96, 20,530.51 and 8,162.19

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Solution

The fourth proportional to 14,876.96, 20,530.51 and 8,162.19 is: 11,263.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.96 : 20,530.51 = 8,162.19 : x
  2. Step 2: Convert to fraction form
    14,876.96/20,530.51 = 8,162.19/x
  3. Step 3: Cross multiply
    14,876.96x = 20,530.51 × 8,162.19
  4. Step 4: Simplify right side
    14,876.96x = 167,573,903.01
  5. Step 5: Solve for x
    x = 167,573,903.01/14,876.96
  6. Step 6: Final answer
    x = 11,263.99

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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.