Home / 14,224.28-19,633.02-8,639.96

Finding the Fourth Proportional to 14,224.28, 19,633.02 and 8,639.96

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Solution

The fourth proportional to 14,224.28, 19,633.02 and 8,639.96 is: 11,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.28 : 19,633.02 = 8,639.96 : x
  2. Step 2: Convert to fraction form
    14,224.28/19,633.02 = 8,639.96/x
  3. Step 3: Cross multiply
    14,224.28x = 19,633.02 × 8,639.96
  4. Step 4: Simplify right side
    14,224.28x = 169,628,507.48
  5. Step 5: Solve for x
    x = 169,628,507.48/14,224.28
  6. Step 6: Final answer
    x = 11,925.28

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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.