Home / 14,119.55-21,181.26-4,762.23

Finding the Fourth Proportional to 14,119.55, 21,181.26 and 4,762.23

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Solution

The fourth proportional to 14,119.55, 21,181.26 and 4,762.23 is: 7,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.55 : 21,181.26 = 4,762.23 : x
  2. Step 2: Convert to fraction form
    14,119.55/21,181.26 = 4,762.23/x
  3. Step 3: Cross multiply
    14,119.55x = 21,181.26 × 4,762.23
  4. Step 4: Simplify right side
    14,119.55x = 100,870,031.81
  5. Step 5: Solve for x
    x = 100,870,031.81/14,119.55
  6. Step 6: Final answer
    x = 7,144.00

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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.