Home / 19,424.68-29,130.30-12,017.80

Finding the Fourth Proportional to 19,424.68, 29,130.30 and 12,017.80

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Solution

The fourth proportional to 19,424.68, 29,130.30 and 12,017.80 is: 18,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.68 : 29,130.30 = 12,017.80 : x
  2. Step 2: Convert to fraction form
    19,424.68/29,130.30 = 12,017.80/x
  3. Step 3: Cross multiply
    19,424.68x = 29,130.30 × 12,017.80
  4. Step 4: Simplify right side
    19,424.68x = 350,082,119.34
  5. Step 5: Solve for x
    x = 350,082,119.34/19,424.68
  6. Step 6: Final answer
    x = 18,022.54

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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.