Home / 14,021.48-21,027.66-4,658.98

Finding the Fourth Proportional to 14,021.48, 21,027.66 and 4,658.98

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Solution

The fourth proportional to 14,021.48, 21,027.66 and 4,658.98 is: 6,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.48 : 21,027.66 = 4,658.98 : x
  2. Step 2: Convert to fraction form
    14,021.48/21,027.66 = 4,658.98/x
  3. Step 3: Cross multiply
    14,021.48x = 21,027.66 × 4,658.98
  4. Step 4: Simplify right side
    14,021.48x = 97,967,421.10
  5. Step 5: Solve for x
    x = 97,967,421.10/14,021.48
  6. Step 6: Final answer
    x = 6,986.96

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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.