Home / 15,638.32-23,457.48-5,257.36

Finding the Fourth Proportional to 15,638.32, 23,457.48 and 5,257.36

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Solution

The fourth proportional to 15,638.32, 23,457.48 and 5,257.36 is: 7,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638.32 : 23,457.48 = 5,257.36 : x
  2. Step 2: Convert to fraction form
    15,638.32/23,457.48 = 5,257.36/x
  3. Step 3: Cross multiply
    15,638.32x = 23,457.48 × 5,257.36
  4. Step 4: Simplify right side
    15,638.32x = 123,324,417.05
  5. Step 5: Solve for x
    x = 123,324,417.05/15,638.32
  6. Step 6: Final answer
    x = 7,886.04

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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.