Home / 13,779.36-20,678.23-5,014.27

Finding the Fourth Proportional to 13,779.36, 20,678.23 and 5,014.27

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Solution

The fourth proportional to 13,779.36, 20,678.23 and 5,014.27 is: 7,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.36 : 20,678.23 = 5,014.27 : x
  2. Step 2: Convert to fraction form
    13,779.36/20,678.23 = 5,014.27/x
  3. Step 3: Cross multiply
    13,779.36x = 20,678.23 × 5,014.27
  4. Step 4: Simplify right side
    13,779.36x = 103,686,260.46
  5. Step 5: Solve for x
    x = 103,686,260.46/13,779.36
  6. Step 6: Final answer
    x = 7,524.75

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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.