Home / 21,622.26-32,437.98-12,266.58

Finding the Fourth Proportional to 21,622.26, 32,437.98 and 12,266.58

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Solution

The fourth proportional to 21,622.26, 32,437.98 and 12,266.58 is: 18,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.26 : 32,437.98 = 12,266.58 : x
  2. Step 2: Convert to fraction form
    21,622.26/32,437.98 = 12,266.58/x
  3. Step 3: Cross multiply
    21,622.26x = 32,437.98 × 12,266.58
  4. Step 4: Simplify right side
    21,622.26x = 397,903,076.71
  5. Step 5: Solve for x
    x = 397,903,076.71/21,622.26
  6. Step 6: Final answer
    x = 18,402.47

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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.