Home / 14,256.60-21,401.10-7,679.40

Finding the Fourth Proportional to 14,256.60, 21,401.10 and 7,679.40

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Solution

The fourth proportional to 14,256.60, 21,401.10 and 7,679.40 is: 11,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.60 : 21,401.10 = 7,679.40 : x
  2. Step 2: Convert to fraction form
    14,256.60/21,401.10 = 7,679.40/x
  3. Step 3: Cross multiply
    14,256.60x = 21,401.10 × 7,679.40
  4. Step 4: Simplify right side
    14,256.60x = 164,347,607.34
  5. Step 5: Solve for x
    x = 164,347,607.34/14,256.60
  6. Step 6: Final answer
    x = 11,527.83

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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.