Home / 14,140.14-21,199.20-6,343.50

Finding the Fourth Proportional to 14,140.14, 21,199.20 and 6,343.50

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Solution

The fourth proportional to 14,140.14, 21,199.20 and 6,343.50 is: 9,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.14 : 21,199.20 = 6,343.50 : x
  2. Step 2: Convert to fraction form
    14,140.14/21,199.20 = 6,343.50/x
  3. Step 3: Cross multiply
    14,140.14x = 21,199.20 × 6,343.50
  4. Step 4: Simplify right side
    14,140.14x = 134,477,125.20
  5. Step 5: Solve for x
    x = 134,477,125.20/14,140.14
  6. Step 6: Final answer
    x = 9,510.31

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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.