Home / 13,368.78-20,050.23-4,485.36

Finding the Fourth Proportional to 13,368.78, 20,050.23 and 4,485.36

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Solution

The fourth proportional to 13,368.78, 20,050.23 and 4,485.36 is: 6,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.78 : 20,050.23 = 4,485.36 : x
  2. Step 2: Convert to fraction form
    13,368.78/20,050.23 = 4,485.36/x
  3. Step 3: Cross multiply
    13,368.78x = 20,050.23 × 4,485.36
  4. Step 4: Simplify right side
    13,368.78x = 89,932,499.63
  5. Step 5: Solve for x
    x = 89,932,499.63/13,368.78
  6. Step 6: Final answer
    x = 6,727.05

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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.