Home / 16,824.48-23,219.82-9,751.20

Finding the Fourth Proportional to 16,824.48, 23,219.82 and 9,751.20

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Solution

The fourth proportional to 16,824.48, 23,219.82 and 9,751.20 is: 13,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.48 : 23,219.82 = 9,751.20 : x
  2. Step 2: Convert to fraction form
    16,824.48/23,219.82 = 9,751.20/x
  3. Step 3: Cross multiply
    16,824.48x = 23,219.82 × 9,751.20
  4. Step 4: Simplify right side
    16,824.48x = 226,421,108.78
  5. Step 5: Solve for x
    x = 226,421,108.78/16,824.48
  6. Step 6: Final answer
    x = 13,457.84

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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.