Home / 14,271.34-21,408.45-5,384.44

Finding the Fourth Proportional to 14,271.34, 21,408.45 and 5,384.44

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Solution

The fourth proportional to 14,271.34, 21,408.45 and 5,384.44 is: 8,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.34 : 21,408.45 = 5,384.44 : x
  2. Step 2: Convert to fraction form
    14,271.34/21,408.45 = 5,384.44/x
  3. Step 3: Cross multiply
    14,271.34x = 21,408.45 × 5,384.44
  4. Step 4: Simplify right side
    14,271.34x = 115,272,514.52
  5. Step 5: Solve for x
    x = 115,272,514.52/14,271.34
  6. Step 6: Final answer
    x = 8,077.20

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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.