Home / 14,225.28-21,195.66-12,673.32

Finding the Fourth Proportional to 14,225.28, 21,195.66 and 12,673.32

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Solution

The fourth proportional to 14,225.28, 21,195.66 and 12,673.32 is: 18,883.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.28 : 21,195.66 = 12,673.32 : x
  2. Step 2: Convert to fraction form
    14,225.28/21,195.66 = 12,673.32/x
  3. Step 3: Cross multiply
    14,225.28x = 21,195.66 × 12,673.32
  4. Step 4: Simplify right side
    14,225.28x = 268,619,381.79
  5. Step 5: Solve for x
    x = 268,619,381.79/14,225.28
  6. Step 6: Final answer
    x = 18,883.24

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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.