Home / 15,709.44-23,569.56-13,386.96

Finding the Fourth Proportional to 15,709.44, 23,569.56 and 13,386.96

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Solution

The fourth proportional to 15,709.44, 23,569.56 and 13,386.96 is: 20,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.44 : 23,569.56 = 13,386.96 : x
  2. Step 2: Convert to fraction form
    15,709.44/23,569.56 = 13,386.96/x
  3. Step 3: Cross multiply
    15,709.44x = 23,569.56 × 13,386.96
  4. Step 4: Simplify right side
    15,709.44x = 315,524,756.94
  5. Step 5: Solve for x
    x = 315,524,756.94/15,709.44
  6. Step 6: Final answer
    x = 20,085.04

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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.