Home / 13,039.46-19,562.84-4,280.53

Finding the Fourth Proportional to 13,039.46, 19,562.84 and 4,280.53

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Solution

The fourth proportional to 13,039.46, 19,562.84 and 4,280.53 is: 6,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.46 : 19,562.84 = 4,280.53 : x
  2. Step 2: Convert to fraction form
    13,039.46/19,562.84 = 4,280.53/x
  3. Step 3: Cross multiply
    13,039.46x = 19,562.84 × 4,280.53
  4. Step 4: Simplify right side
    13,039.46x = 83,739,317.97
  5. Step 5: Solve for x
    x = 83,739,317.97/13,039.46
  6. Step 6: Final answer
    x = 6,421.99

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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.