Home / 14,288.88-19,700.40-9,244.20

Finding the Fourth Proportional to 14,288.88, 19,700.40 and 9,244.20

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Solution

The fourth proportional to 14,288.88, 19,700.40 and 9,244.20 is: 12,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.88 : 19,700.40 = 9,244.20 : x
  2. Step 2: Convert to fraction form
    14,288.88/19,700.40 = 9,244.20/x
  3. Step 3: Cross multiply
    14,288.88x = 19,700.40 × 9,244.20
  4. Step 4: Simplify right side
    14,288.88x = 182,114,437.68
  5. Step 5: Solve for x
    x = 182,114,437.68/14,288.88
  6. Step 6: Final answer
    x = 12,745.19

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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.