Home / 13,036.40-19,559.40-4,271.60

Finding the Fourth Proportional to 13,036.40, 19,559.40 and 4,271.60

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Solution

The fourth proportional to 13,036.40, 19,559.40 and 4,271.60 is: 6,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.40 : 19,559.40 = 4,271.60 : x
  2. Step 2: Convert to fraction form
    13,036.40/19,559.40 = 4,271.60/x
  3. Step 3: Cross multiply
    13,036.40x = 19,559.40 × 4,271.60
  4. Step 4: Simplify right side
    13,036.40x = 83,549,933.04
  5. Step 5: Solve for x
    x = 83,549,933.04/13,036.40
  6. Step 6: Final answer
    x = 6,408.97

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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.