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Finding the Fourth Proportional to 14,182.99, 21,242.08 and 6,792.64

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Solution

The fourth proportional to 14,182.99, 21,242.08 and 6,792.64 is: 10,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.99 : 21,242.08 = 6,792.64 : x
  2. Step 2: Convert to fraction form
    14,182.99/21,242.08 = 6,792.64/x
  3. Step 3: Cross multiply
    14,182.99x = 21,242.08 × 6,792.64
  4. Step 4: Simplify right side
    14,182.99x = 144,289,802.29
  5. Step 5: Solve for x
    x = 144,289,802.29/14,182.99
  6. Step 6: Final answer
    x = 10,173.44

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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.