Home / 14,122.40-21,167.40-5,798.30

Finding the Fourth Proportional to 14,122.40, 21,167.40 and 5,798.30

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Solution

The fourth proportional to 14,122.40, 21,167.40 and 5,798.30 is: 8,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.40 : 21,167.40 = 5,798.30 : x
  2. Step 2: Convert to fraction form
    14,122.40/21,167.40 = 5,798.30/x
  3. Step 3: Cross multiply
    14,122.40x = 21,167.40 × 5,798.30
  4. Step 4: Simplify right side
    14,122.40x = 122,734,935.42
  5. Step 5: Solve for x
    x = 122,734,935.42/14,122.40
  6. Step 6: Final answer
    x = 8,690.80

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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.