Home / 15,956.46-23,988.75-12,858.22

Finding the Fourth Proportional to 15,956.46, 23,988.75 and 12,858.22

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Solution

The fourth proportional to 15,956.46, 23,988.75 and 12,858.22 is: 19,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.46 : 23,988.75 = 12,858.22 : x
  2. Step 2: Convert to fraction form
    15,956.46/23,988.75 = 12,858.22/x
  3. Step 3: Cross multiply
    15,956.46x = 23,988.75 × 12,858.22
  4. Step 4: Simplify right side
    15,956.46x = 308,452,625.03
  5. Step 5: Solve for x
    x = 308,452,625.03/15,956.46
  6. Step 6: Final answer
    x = 19,330.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.