Home / 14,094.72-21,038.63-12,433.86

Finding the Fourth Proportional to 14,094.72, 21,038.63 and 12,433.86

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Solution

The fourth proportional to 14,094.72, 21,038.63 and 12,433.86 is: 18,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.72 : 21,038.63 = 12,433.86 : x
  2. Step 2: Convert to fraction form
    14,094.72/21,038.63 = 12,433.86/x
  3. Step 3: Cross multiply
    14,094.72x = 21,038.63 × 12,433.86
  4. Step 4: Simplify right side
    14,094.72x = 261,591,317.84
  5. Step 5: Solve for x
    x = 261,591,317.84/14,094.72
  6. Step 6: Final answer
    x = 18,559.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.