Home / 14,271.40-21,409.38-4,408.36

Finding the Fourth Proportional to 14,271.40, 21,409.38 and 4,408.36

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Solution

The fourth proportional to 14,271.40, 21,409.38 and 4,408.36 is: 6,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.40 : 21,409.38 = 4,408.36 : x
  2. Step 2: Convert to fraction form
    14,271.40/21,409.38 = 4,408.36/x
  3. Step 3: Cross multiply
    14,271.40x = 21,409.38 × 4,408.36
  4. Step 4: Simplify right side
    14,271.40x = 94,380,254.42
  5. Step 5: Solve for x
    x = 94,380,254.42/14,271.40
  6. Step 6: Final answer
    x = 6,613.24

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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.