Home / 21,590.08-32,384.88-12,349.60

Finding the Fourth Proportional to 21,590.08, 32,384.88 and 12,349.60

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Solution

The fourth proportional to 21,590.08, 32,384.88 and 12,349.60 is: 18,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.08 : 32,384.88 = 12,349.60 : x
  2. Step 2: Convert to fraction form
    21,590.08/32,384.88 = 12,349.60/x
  3. Step 3: Cross multiply
    21,590.08x = 32,384.88 × 12,349.60
  4. Step 4: Simplify right side
    21,590.08x = 399,940,314.05
  5. Step 5: Solve for x
    x = 399,940,314.05/21,590.08
  6. Step 6: Final answer
    x = 18,524.26

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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.