Home / 12,916.44-19,373.22-3,557.16

Finding the Fourth Proportional to 12,916.44, 19,373.22 and 3,557.16

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Solution

The fourth proportional to 12,916.44, 19,373.22 and 3,557.16 is: 5,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.44 : 19,373.22 = 3,557.16 : x
  2. Step 2: Convert to fraction form
    12,916.44/19,373.22 = 3,557.16/x
  3. Step 3: Cross multiply
    12,916.44x = 19,373.22 × 3,557.16
  4. Step 4: Simplify right side
    12,916.44x = 68,913,643.26
  5. Step 5: Solve for x
    x = 68,913,643.26/12,916.44
  6. Step 6: Final answer
    x = 5,335.34

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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.