Home / 14,020.02-21,029.91-4,158.47

Finding the Fourth Proportional to 14,020.02, 21,029.91 and 4,158.47

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Solution

The fourth proportional to 14,020.02, 21,029.91 and 4,158.47 is: 6,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.02 : 21,029.91 = 4,158.47 : x
  2. Step 2: Convert to fraction form
    14,020.02/21,029.91 = 4,158.47/x
  3. Step 3: Cross multiply
    14,020.02x = 21,029.91 × 4,158.47
  4. Step 4: Simplify right side
    14,020.02x = 87,452,144.69
  5. Step 5: Solve for x
    x = 87,452,144.69/14,020.02
  6. Step 6: Final answer
    x = 6,237.66

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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.