Home / 14,260.63-21,380.01-8,716.60

Finding the Fourth Proportional to 14,260.63, 21,380.01 and 8,716.60

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Solution

The fourth proportional to 14,260.63, 21,380.01 and 8,716.60 is: 13,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.63 : 21,380.01 = 8,716.60 : x
  2. Step 2: Convert to fraction form
    14,260.63/21,380.01 = 8,716.60/x
  3. Step 3: Cross multiply
    14,260.63x = 21,380.01 × 8,716.60
  4. Step 4: Simplify right side
    14,260.63x = 186,360,995.17
  5. Step 5: Solve for x
    x = 186,360,995.17/14,260.63
  6. Step 6: Final answer
    x = 13,068.22

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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.