Home / 21,575.63-32,367.14-9,889.85

Finding the Fourth Proportional to 21,575.63, 32,367.14 and 9,889.85

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Solution

The fourth proportional to 21,575.63, 32,367.14 and 9,889.85 is: 14,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.63 : 32,367.14 = 9,889.85 : x
  2. Step 2: Convert to fraction form
    21,575.63/32,367.14 = 9,889.85/x
  3. Step 3: Cross multiply
    21,575.63x = 32,367.14 × 9,889.85
  4. Step 4: Simplify right side
    21,575.63x = 320,106,159.53
  5. Step 5: Solve for x
    x = 320,106,159.53/21,575.63
  6. Step 6: Final answer
    x = 14,836.47

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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.