Home / 20,085.08-30,141.53-6,937.56

Finding the Fourth Proportional to 20,085.08, 30,141.53 and 6,937.56

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Solution

The fourth proportional to 20,085.08, 30,141.53 and 6,937.56 is: 10,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.08 : 30,141.53 = 6,937.56 : x
  2. Step 2: Convert to fraction form
    20,085.08/30,141.53 = 6,937.56/x
  3. Step 3: Cross multiply
    20,085.08x = 30,141.53 × 6,937.56
  4. Step 4: Simplify right side
    20,085.08x = 209,108,672.87
  5. Step 5: Solve for x
    x = 209,108,672.87/20,085.08
  6. Step 6: Final answer
    x = 10,411.14

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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.