Home / 14,260.20-21,395.16-7,687.02

Finding the Fourth Proportional to 14,260.20, 21,395.16 and 7,687.02

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Solution

The fourth proportional to 14,260.20, 21,395.16 and 7,687.02 is: 11,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.20 : 21,395.16 = 7,687.02 : x
  2. Step 2: Convert to fraction form
    14,260.20/21,395.16 = 7,687.02/x
  3. Step 3: Cross multiply
    14,260.20x = 21,395.16 × 7,687.02
  4. Step 4: Simplify right side
    14,260.20x = 164,465,022.82
  5. Step 5: Solve for x
    x = 164,465,022.82/14,260.20
  6. Step 6: Final answer
    x = 11,533.15

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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.