Home / 14,152.19-21,225.51-13,449.71

Finding the Fourth Proportional to 14,152.19, 21,225.51 and 13,449.71

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Solution

The fourth proportional to 14,152.19, 21,225.51 and 13,449.71 is: 20,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.19 : 21,225.51 = 13,449.71 : x
  2. Step 2: Convert to fraction form
    14,152.19/21,225.51 = 13,449.71/x
  3. Step 3: Cross multiply
    14,152.19x = 21,225.51 × 13,449.71
  4. Step 4: Simplify right side
    14,152.19x = 285,477,007.17
  5. Step 5: Solve for x
    x = 285,477,007.17/14,152.19
  6. Step 6: Final answer
    x = 20,171.94

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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.