Home / 15,636.30-23,457.12-5,775.63

Finding the Fourth Proportional to 15,636.30, 23,457.12 and 5,775.63

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Solution

The fourth proportional to 15,636.30, 23,457.12 and 5,775.63 is: 8,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.30 : 23,457.12 = 5,775.63 : x
  2. Step 2: Convert to fraction form
    15,636.30/23,457.12 = 5,775.63/x
  3. Step 3: Cross multiply
    15,636.30x = 23,457.12 × 5,775.63
  4. Step 4: Simplify right side
    15,636.30x = 135,479,645.99
  5. Step 5: Solve for x
    x = 135,479,645.99/15,636.30
  6. Step 6: Final answer
    x = 8,664.43

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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.