Home / 14,009.16-21,015.38-4,650

Finding the Fourth Proportional to 14,009.16, 21,015.38 and 4,650

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Solution

The fourth proportional to 14,009.16, 21,015.38 and 4,650 is: 6,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.16 : 21,015.38 = 4,650 : x
  2. Step 2: Convert to fraction form
    14,009.16/21,015.38 = 4,650/x
  3. Step 3: Cross multiply
    14,009.16x = 21,015.38 × 4,650
  4. Step 4: Simplify right side
    14,009.16x = 97,721,517
  5. Step 5: Solve for x
    x = 97,721,517/14,009.16
  6. Step 6: Final answer
    x = 6,975.54

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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.