Home / 14,638.70-21,960.18-4,775.55

Finding the Fourth Proportional to 14,638.70, 21,960.18 and 4,775.55

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Solution

The fourth proportional to 14,638.70, 21,960.18 and 4,775.55 is: 7,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.70 : 21,960.18 = 4,775.55 : x
  2. Step 2: Convert to fraction form
    14,638.70/21,960.18 = 4,775.55/x
  3. Step 3: Cross multiply
    14,638.70x = 21,960.18 × 4,775.55
  4. Step 4: Simplify right side
    14,638.70x = 104,871,937.60
  5. Step 5: Solve for x
    x = 104,871,937.60/14,638.70
  6. Step 6: Final answer
    x = 7,164.02

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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.