Home / 23,106.99-31,887.72-12,496.68

Finding the Fourth Proportional to 23,106.99, 31,887.72 and 12,496.68

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Solution

The fourth proportional to 23,106.99, 31,887.72 and 12,496.68 is: 17,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,106.99 : 31,887.72 = 12,496.68 : x
  2. Step 2: Convert to fraction form
    23,106.99/31,887.72 = 12,496.68/x
  3. Step 3: Cross multiply
    23,106.99x = 31,887.72 × 12,496.68
  4. Step 4: Simplify right side
    23,106.99x = 398,490,632.77
  5. Step 5: Solve for x
    x = 398,490,632.77/23,106.99
  6. Step 6: Final answer
    x = 17,245.46

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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.