Home / 14,008.26-21,012.38-5,247.30

Finding the Fourth Proportional to 14,008.26, 21,012.38 and 5,247.30

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Solution

The fourth proportional to 14,008.26, 21,012.38 and 5,247.30 is: 7,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.26 : 21,012.38 = 5,247.30 : x
  2. Step 2: Convert to fraction form
    14,008.26/21,012.38 = 5,247.30/x
  3. Step 3: Cross multiply
    14,008.26x = 21,012.38 × 5,247.30
  4. Step 4: Simplify right side
    14,008.26x = 110,258,261.57
  5. Step 5: Solve for x
    x = 110,258,261.57/14,008.26
  6. Step 6: Final answer
    x = 7,870.95

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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.