Home / 13,038.36-19,557.46-4,273.21

Finding the Fourth Proportional to 13,038.36, 19,557.46 and 4,273.21

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Solution

The fourth proportional to 13,038.36, 19,557.46 and 4,273.21 is: 6,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.36 : 19,557.46 = 4,273.21 : x
  2. Step 2: Convert to fraction form
    13,038.36/19,557.46 = 4,273.21/x
  3. Step 3: Cross multiply
    13,038.36x = 19,557.46 × 4,273.21
  4. Step 4: Simplify right side
    13,038.36x = 83,573,133.65
  5. Step 5: Solve for x
    x = 83,573,133.65/13,038.36
  6. Step 6: Final answer
    x = 6,409.79

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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.