Home / 10,521.44-14,520.62-7,864.24

Finding the Fourth Proportional to 10,521.44, 14,520.62 and 7,864.24

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Solution

The fourth proportional to 10,521.44, 14,520.62 and 7,864.24 is: 10,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.44 : 14,520.62 = 7,864.24 : x
  2. Step 2: Convert to fraction form
    10,521.44/14,520.62 = 7,864.24/x
  3. Step 3: Cross multiply
    10,521.44x = 14,520.62 × 7,864.24
  4. Step 4: Simplify right side
    10,521.44x = 114,193,606.98
  5. Step 5: Solve for x
    x = 114,193,606.98/10,521.44
  6. Step 6: Final answer
    x = 10,853.42

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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.