Home / 20,360.34-30,529.40-6,126.74

Finding the Fourth Proportional to 20,360.34, 30,529.40 and 6,126.74

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Solution

The fourth proportional to 20,360.34, 30,529.40 and 6,126.74 is: 9,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.34 : 30,529.40 = 6,126.74 : x
  2. Step 2: Convert to fraction form
    20,360.34/30,529.40 = 6,126.74/x
  3. Step 3: Cross multiply
    20,360.34x = 30,529.40 × 6,126.74
  4. Step 4: Simplify right side
    20,360.34x = 187,045,619.83
  5. Step 5: Solve for x
    x = 187,045,619.83/20,360.34
  6. Step 6: Final answer
    x = 9,186.77

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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.