Home / 19,586.20-29,368.38-6,437.56

Finding the Fourth Proportional to 19,586.20, 29,368.38 and 6,437.56

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Solution

The fourth proportional to 19,586.20, 29,368.38 and 6,437.56 is: 9,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.20 : 29,368.38 = 6,437.56 : x
  2. Step 2: Convert to fraction form
    19,586.20/29,368.38 = 6,437.56/x
  3. Step 3: Cross multiply
    19,586.20x = 29,368.38 × 6,437.56
  4. Step 4: Simplify right side
    19,586.20x = 189,060,708.35
  5. Step 5: Solve for x
    x = 189,060,708.35/19,586.20
  6. Step 6: Final answer
    x = 9,652.75

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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.