Home / 14,278.41-19,702.27-8,305.47

Finding the Fourth Proportional to 14,278.41, 19,702.27 and 8,305.47

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Solution

The fourth proportional to 14,278.41, 19,702.27 and 8,305.47 is: 11,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.41 : 19,702.27 = 8,305.47 : x
  2. Step 2: Convert to fraction form
    14,278.41/19,702.27 = 8,305.47/x
  3. Step 3: Cross multiply
    14,278.41x = 19,702.27 × 8,305.47
  4. Step 4: Simplify right side
    14,278.41x = 163,636,612.42
  5. Step 5: Solve for x
    x = 163,636,612.42/14,278.41
  6. Step 6: Final answer
    x = 11,460.42

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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.