Home / 14,415.19-21,625.40-6,521.42

Finding the Fourth Proportional to 14,415.19, 21,625.40 and 6,521.42

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Solution

The fourth proportional to 14,415.19, 21,625.40 and 6,521.42 is: 9,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.19 : 21,625.40 = 6,521.42 : x
  2. Step 2: Convert to fraction form
    14,415.19/21,625.40 = 6,521.42/x
  3. Step 3: Cross multiply
    14,415.19x = 21,625.40 × 6,521.42
  4. Step 4: Simplify right side
    14,415.19x = 141,028,288.93
  5. Step 5: Solve for x
    x = 141,028,288.93/14,415.19
  6. Step 6: Final answer
    x = 9,783.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.