Home / 13,021.25-19,533.24-4,256.15

Finding the Fourth Proportional to 13,021.25, 19,533.24 and 4,256.15

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Solution

The fourth proportional to 13,021.25, 19,533.24 and 4,256.15 is: 6,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.25 : 19,533.24 = 4,256.15 : x
  2. Step 2: Convert to fraction form
    13,021.25/19,533.24 = 4,256.15/x
  3. Step 3: Cross multiply
    13,021.25x = 19,533.24 × 4,256.15
  4. Step 4: Simplify right side
    13,021.25x = 83,136,301.76
  5. Step 5: Solve for x
    x = 83,136,301.76/13,021.25
  6. Step 6: Final answer
    x = 6,384.67

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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.