Home / 14,271.86-21,399.93-4,408.40

Finding the Fourth Proportional to 14,271.86, 21,399.93 and 4,408.40

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Solution

The fourth proportional to 14,271.86, 21,399.93 and 4,408.40 is: 6,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.86 : 21,399.93 = 4,408.40 : x
  2. Step 2: Convert to fraction form
    14,271.86/21,399.93 = 4,408.40/x
  3. Step 3: Cross multiply
    14,271.86x = 21,399.93 × 4,408.40
  4. Step 4: Simplify right side
    14,271.86x = 94,339,451.41
  5. Step 5: Solve for x
    x = 94,339,451.41/14,271.86
  6. Step 6: Final answer
    x = 6,610.17

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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.