Home / 14,008.21-19,322.83-8,339.17

Finding the Fourth Proportional to 14,008.21, 19,322.83 and 8,339.17

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Solution

The fourth proportional to 14,008.21, 19,322.83 and 8,339.17 is: 11,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.21 : 19,322.83 = 8,339.17 : x
  2. Step 2: Convert to fraction form
    14,008.21/19,322.83 = 8,339.17/x
  3. Step 3: Cross multiply
    14,008.21x = 19,322.83 × 8,339.17
  4. Step 4: Simplify right side
    14,008.21x = 161,136,364.25
  5. Step 5: Solve for x
    x = 161,136,364.25/14,008.21
  6. Step 6: Final answer
    x = 11,502.99

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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.