Home / 13,008.32-19,515.28-4,243.04

Finding the Fourth Proportional to 13,008.32, 19,515.28 and 4,243.04

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Solution

The fourth proportional to 13,008.32, 19,515.28 and 4,243.04 is: 6,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.32 : 19,515.28 = 4,243.04 : x
  2. Step 2: Convert to fraction form
    13,008.32/19,515.28 = 4,243.04/x
  3. Step 3: Cross multiply
    13,008.32x = 19,515.28 × 4,243.04
  4. Step 4: Simplify right side
    13,008.32x = 82,804,113.65
  5. Step 5: Solve for x
    x = 82,804,113.65/13,008.32
  6. Step 6: Final answer
    x = 6,365.47

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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.