Home / 21,200.08-29,255.88-12,247.24

Finding the Fourth Proportional to 21,200.08, 29,255.88 and 12,247.24

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Solution

The fourth proportional to 21,200.08, 29,255.88 and 12,247.24 is: 16,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200.08 : 29,255.88 = 12,247.24 : x
  2. Step 2: Convert to fraction form
    21,200.08/29,255.88 = 12,247.24/x
  3. Step 3: Cross multiply
    21,200.08x = 29,255.88 × 12,247.24
  4. Step 4: Simplify right side
    21,200.08x = 358,303,783.77
  5. Step 5: Solve for x
    x = 358,303,783.77/21,200.08
  6. Step 6: Final answer
    x = 16,901.06

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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.