Home / 16,782.70-23,158.32-9,707.74

Finding the Fourth Proportional to 16,782.70, 23,158.32 and 9,707.74

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Solution

The fourth proportional to 16,782.70, 23,158.32 and 9,707.74 is: 13,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.70 : 23,158.32 = 9,707.74 : x
  2. Step 2: Convert to fraction form
    16,782.70/23,158.32 = 9,707.74/x
  3. Step 3: Cross multiply
    16,782.70x = 23,158.32 × 9,707.74
  4. Step 4: Simplify right side
    16,782.70x = 224,814,949.40
  5. Step 5: Solve for x
    x = 224,814,949.40/16,782.70
  6. Step 6: Final answer
    x = 13,395.64

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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.