Home / 13,951.32-19,239.30-9,423.96

Finding the Fourth Proportional to 13,951.32, 19,239.30 and 9,423.96

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Solution

The fourth proportional to 13,951.32, 19,239.30 and 9,423.96 is: 12,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.32 : 19,239.30 = 9,423.96 : x
  2. Step 2: Convert to fraction form
    13,951.32/19,239.30 = 9,423.96/x
  3. Step 3: Cross multiply
    13,951.32x = 19,239.30 × 9,423.96
  4. Step 4: Simplify right side
    13,951.32x = 181,310,393.63
  5. Step 5: Solve for x
    x = 181,310,393.63/13,951.32
  6. Step 6: Final answer
    x = 12,995.93

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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.