Home / 14,271.76-21,402.24-6,874.48

Finding the Fourth Proportional to 14,271.76, 21,402.24 and 6,874.48

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Solution

The fourth proportional to 14,271.76, 21,402.24 and 6,874.48 is: 10,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.76 : 21,402.24 = 6,874.48 : x
  2. Step 2: Convert to fraction form
    14,271.76/21,402.24 = 6,874.48/x
  3. Step 3: Cross multiply
    14,271.76x = 21,402.24 × 6,874.48
  4. Step 4: Simplify right side
    14,271.76x = 147,129,270.84
  5. Step 5: Solve for x
    x = 147,129,270.84/14,271.76
  6. Step 6: Final answer
    x = 10,309.12

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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.