Home / 13,916.96-19,205.16-7,629.36

Finding the Fourth Proportional to 13,916.96, 19,205.16 and 7,629.36

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Solution

The fourth proportional to 13,916.96, 19,205.16 and 7,629.36 is: 10,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.96 : 19,205.16 = 7,629.36 : x
  2. Step 2: Convert to fraction form
    13,916.96/19,205.16 = 7,629.36/x
  3. Step 3: Cross multiply
    13,916.96x = 19,205.16 × 7,629.36
  4. Step 4: Simplify right side
    13,916.96x = 146,523,079.50
  5. Step 5: Solve for x
    x = 146,523,079.50/13,916.96
  6. Step 6: Final answer
    x = 10,528.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.