Home / 13,277.32-19,920.53-8,341.18

Finding the Fourth Proportional to 13,277.32, 19,920.53 and 8,341.18

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Solution

The fourth proportional to 13,277.32, 19,920.53 and 8,341.18 is: 12,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.32 : 19,920.53 = 8,341.18 : x
  2. Step 2: Convert to fraction form
    13,277.32/19,920.53 = 8,341.18/x
  3. Step 3: Cross multiply
    13,277.32x = 19,920.53 × 8,341.18
  4. Step 4: Simplify right side
    13,277.32x = 166,160,697.48
  5. Step 5: Solve for x
    x = 166,160,697.48/13,277.32
  6. Step 6: Final answer
    x = 12,514.63

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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.