Home / 12,916.46-19,374.01-4,150.69

Finding the Fourth Proportional to 12,916.46, 19,374.01 and 4,150.69

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Solution

The fourth proportional to 12,916.46, 19,374.01 and 4,150.69 is: 6,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.46 : 19,374.01 = 4,150.69 : x
  2. Step 2: Convert to fraction form
    12,916.46/19,374.01 = 4,150.69/x
  3. Step 3: Cross multiply
    12,916.46x = 19,374.01 × 4,150.69
  4. Step 4: Simplify right side
    12,916.46x = 80,415,509.57
  5. Step 5: Solve for x
    x = 80,415,509.57/12,916.46
  6. Step 6: Final answer
    x = 6,225.82

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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.