Home / 13,866.02-20,807.27-5,107.09

Finding the Fourth Proportional to 13,866.02, 20,807.27 and 5,107.09

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Solution

The fourth proportional to 13,866.02, 20,807.27 and 5,107.09 is: 7,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.02 : 20,807.27 = 5,107.09 : x
  2. Step 2: Convert to fraction form
    13,866.02/20,807.27 = 5,107.09/x
  3. Step 3: Cross multiply
    13,866.02x = 20,807.27 × 5,107.09
  4. Step 4: Simplify right side
    13,866.02x = 106,264,600.54
  5. Step 5: Solve for x
    x = 106,264,600.54/13,866.02
  6. Step 6: Final answer
    x = 7,663.67

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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.