Home / 21,590.37-29,794.59-12,030.30

Finding the Fourth Proportional to 21,590.37, 29,794.59 and 12,030.30

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Solution

The fourth proportional to 21,590.37, 29,794.59 and 12,030.30 is: 16,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.37 : 29,794.59 = 12,030.30 : x
  2. Step 2: Convert to fraction form
    21,590.37/29,794.59 = 12,030.30/x
  3. Step 3: Cross multiply
    21,590.37x = 29,794.59 × 12,030.30
  4. Step 4: Simplify right side
    21,590.37x = 358,437,856.08
  5. Step 5: Solve for x
    x = 358,437,856.08/21,590.37
  6. Step 6: Final answer
    x = 16,601.75

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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.