Home / 14,230.08-21,236.40-12,674.88

Finding the Fourth Proportional to 14,230.08, 21,236.40 and 12,674.88

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Solution

The fourth proportional to 14,230.08, 21,236.40 and 12,674.88 is: 18,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.08 : 21,236.40 = 12,674.88 : x
  2. Step 2: Convert to fraction form
    14,230.08/21,236.40 = 12,674.88/x
  3. Step 3: Cross multiply
    14,230.08x = 21,236.40 × 12,674.88
  4. Step 4: Simplify right side
    14,230.08x = 269,168,821.63
  5. Step 5: Solve for x
    x = 269,168,821.63/14,230.08
  6. Step 6: Final answer
    x = 18,915.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.