Home / 14,112.39-21,153.76-4,749.16

Finding the Fourth Proportional to 14,112.39, 21,153.76 and 4,749.16

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Solution

The fourth proportional to 14,112.39, 21,153.76 and 4,749.16 is: 7,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.39 : 21,153.76 = 4,749.16 : x
  2. Step 2: Convert to fraction form
    14,112.39/21,153.76 = 4,749.16/x
  3. Step 3: Cross multiply
    14,112.39x = 21,153.76 × 4,749.16
  4. Step 4: Simplify right side
    14,112.39x = 100,462,590.84
  5. Step 5: Solve for x
    x = 100,462,590.84/14,112.39
  6. Step 6: Final answer
    x = 7,118.75

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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.