Home / 14,008.38-19,328.15-8,339.49

Finding the Fourth Proportional to 14,008.38, 19,328.15 and 8,339.49

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Solution

The fourth proportional to 14,008.38, 19,328.15 and 8,339.49 is: 11,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.38 : 19,328.15 = 8,339.49 : x
  2. Step 2: Convert to fraction form
    14,008.38/19,328.15 = 8,339.49/x
  3. Step 3: Cross multiply
    14,008.38x = 19,328.15 × 8,339.49
  4. Step 4: Simplify right side
    14,008.38x = 161,186,934.49
  5. Step 5: Solve for x
    x = 161,186,934.49/14,008.38
  6. Step 6: Final answer
    x = 11,506.47

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Half scale
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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.