Home / 21,434.19-32,159.72-6,644.25

Finding the Fourth Proportional to 21,434.19, 32,159.72 and 6,644.25

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Solution

The fourth proportional to 21,434.19, 32,159.72 and 6,644.25 is: 9,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.19 : 32,159.72 = 6,644.25 : x
  2. Step 2: Convert to fraction form
    21,434.19/32,159.72 = 6,644.25/x
  3. Step 3: Cross multiply
    21,434.19x = 32,159.72 × 6,644.25
  4. Step 4: Simplify right side
    21,434.19x = 213,677,219.61
  5. Step 5: Solve for x
    x = 213,677,219.61/21,434.19
  6. Step 6: Final answer
    x = 9,968.99

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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.