Home / 13,916.32-19,204.48-7,628.70

Finding the Fourth Proportional to 13,916.32, 19,204.48 and 7,628.70

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Solution

The fourth proportional to 13,916.32, 19,204.48 and 7,628.70 is: 10,527.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.32 : 19,204.48 = 7,628.70 : x
  2. Step 2: Convert to fraction form
    13,916.32/19,204.48 = 7,628.70/x
  3. Step 3: Cross multiply
    13,916.32x = 19,204.48 × 7,628.70
  4. Step 4: Simplify right side
    13,916.32x = 146,505,216.58
  5. Step 5: Solve for x
    x = 146,505,216.58/13,916.32
  6. Step 6: Final answer
    x = 10,527.58

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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.