Home / 21,367.31-32,045.21-9,668.75

Finding the Fourth Proportional to 21,367.31, 32,045.21 and 9,668.75

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Solution

The fourth proportional to 21,367.31, 32,045.21 and 9,668.75 is: 14,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.31 : 32,045.21 = 9,668.75 : x
  2. Step 2: Convert to fraction form
    21,367.31/32,045.21 = 9,668.75/x
  3. Step 3: Cross multiply
    21,367.31x = 32,045.21 × 9,668.75
  4. Step 4: Simplify right side
    21,367.31x = 309,837,075.84
  5. Step 5: Solve for x
    x = 309,837,075.84/21,367.31
  6. Step 6: Final answer
    x = 14,500.52

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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.