Home / 16,782.45-23,157.98-9,707.49

Finding the Fourth Proportional to 16,782.45, 23,157.98 and 9,707.49

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Solution

The fourth proportional to 16,782.45, 23,157.98 and 9,707.49 is: 13,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.45 : 23,157.98 = 9,707.49 : x
  2. Step 2: Convert to fraction form
    16,782.45/23,157.98 = 9,707.49/x
  3. Step 3: Cross multiply
    16,782.45x = 23,157.98 × 9,707.49
  4. Step 4: Simplify right side
    16,782.45x = 224,805,810.73
  5. Step 5: Solve for x
    x = 224,805,810.73/16,782.45
  6. Step 6: Final answer
    x = 13,395.29

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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.