Home / 15,562.90-21,477.30-8,849.62

Finding the Fourth Proportional to 15,562.90, 21,477.30 and 8,849.62

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Solution

The fourth proportional to 15,562.90, 21,477.30 and 8,849.62 is: 12,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.90 : 21,477.30 = 8,849.62 : x
  2. Step 2: Convert to fraction form
    15,562.90/21,477.30 = 8,849.62/x
  3. Step 3: Cross multiply
    15,562.90x = 21,477.30 × 8,849.62
  4. Step 4: Simplify right side
    15,562.90x = 190,065,943.63
  5. Step 5: Solve for x
    x = 190,065,943.63/15,562.90
  6. Step 6: Final answer
    x = 12,212.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.