Home / 14,012.79-19,337.56-7,725.16

Finding the Fourth Proportional to 14,012.79, 19,337.56 and 7,725.16

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Solution

The fourth proportional to 14,012.79, 19,337.56 and 7,725.16 is: 10,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.79 : 19,337.56 = 7,725.16 : x
  2. Step 2: Convert to fraction form
    14,012.79/19,337.56 = 7,725.16/x
  3. Step 3: Cross multiply
    14,012.79x = 19,337.56 × 7,725.16
  4. Step 4: Simplify right side
    14,012.79x = 149,385,745.01
  5. Step 5: Solve for x
    x = 149,385,745.01/14,012.79
  6. Step 6: Final answer
    x = 10,660.67

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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.