Home / 21,907.47-32,859.36-9,426.99

Finding the Fourth Proportional to 21,907.47, 32,859.36 and 9,426.99

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Solution

The fourth proportional to 21,907.47, 32,859.36 and 9,426.99 is: 14,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,907.47 : 32,859.36 = 9,426.99 : x
  2. Step 2: Convert to fraction form
    21,907.47/32,859.36 = 9,426.99/x
  3. Step 3: Cross multiply
    21,907.47x = 32,859.36 × 9,426.99
  4. Step 4: Simplify right side
    21,907.47x = 309,764,858.13
  5. Step 5: Solve for x
    x = 309,764,858.13/21,907.47
  6. Step 6: Final answer
    x = 14,139.69

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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.