Home / 12,020.48-16,590.68-8,002.52

Finding the Fourth Proportional to 12,020.48, 16,590.68 and 8,002.52

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Solution

The fourth proportional to 12,020.48, 16,590.68 and 8,002.52 is: 11,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.48 : 16,590.68 = 8,002.52 : x
  2. Step 2: Convert to fraction form
    12,020.48/16,590.68 = 8,002.52/x
  3. Step 3: Cross multiply
    12,020.48x = 16,590.68 × 8,002.52
  4. Step 4: Simplify right side
    12,020.48x = 132,767,248.51
  5. Step 5: Solve for x
    x = 132,767,248.51/12,020.48
  6. Step 6: Final answer
    x = 11,045.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.