Home / 23,069.16-31,837.08-12,861.78

Finding the Fourth Proportional to 23,069.16, 31,837.08 and 12,861.78

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Solution

The fourth proportional to 23,069.16, 31,837.08 and 12,861.78 is: 17,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,069.16 : 31,837.08 = 12,861.78 : x
  2. Step 2: Convert to fraction form
    23,069.16/31,837.08 = 12,861.78/x
  3. Step 3: Cross multiply
    23,069.16x = 31,837.08 × 12,861.78
  4. Step 4: Simplify right side
    23,069.16x = 409,481,518.80
  5. Step 5: Solve for x
    x = 409,481,518.80/23,069.16
  6. Step 6: Final answer
    x = 17,750.17

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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.