Home / 15,749.64-23,588.75-12,211.29

Finding the Fourth Proportional to 15,749.64, 23,588.75 and 12,211.29

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Solution

The fourth proportional to 15,749.64, 23,588.75 and 12,211.29 is: 18,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.64 : 23,588.75 = 12,211.29 : x
  2. Step 2: Convert to fraction form
    15,749.64/23,588.75 = 12,211.29/x
  3. Step 3: Cross multiply
    15,749.64x = 23,588.75 × 12,211.29
  4. Step 4: Simplify right side
    15,749.64x = 288,049,097.52
  5. Step 5: Solve for x
    x = 288,049,097.52/15,749.64
  6. Step 6: Final answer
    x = 18,289.25

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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.