Home / 14,647.74-21,967.35-8,406.69

Finding the Fourth Proportional to 14,647.74, 21,967.35 and 8,406.69

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Solution

The fourth proportional to 14,647.74, 21,967.35 and 8,406.69 is: 12,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.74 : 21,967.35 = 8,406.69 : x
  2. Step 2: Convert to fraction form
    14,647.74/21,967.35 = 8,406.69/x
  3. Step 3: Cross multiply
    14,647.74x = 21,967.35 × 8,406.69
  4. Step 4: Simplify right side
    14,647.74x = 184,672,701.57
  5. Step 5: Solve for x
    x = 184,672,701.57/14,647.74
  6. Step 6: Final answer
    x = 12,607.59

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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.