Home / 14,010.16-21,015.68-5,243.40

Finding the Fourth Proportional to 14,010.16, 21,015.68 and 5,243.40

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Solution

The fourth proportional to 14,010.16, 21,015.68 and 5,243.40 is: 7,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.16 : 21,015.68 = 5,243.40 : x
  2. Step 2: Convert to fraction form
    14,010.16/21,015.68 = 5,243.40/x
  3. Step 3: Cross multiply
    14,010.16x = 21,015.68 × 5,243.40
  4. Step 4: Simplify right side
    14,010.16x = 110,193,616.51
  5. Step 5: Solve for x
    x = 110,193,616.51/14,010.16
  6. Step 6: Final answer
    x = 7,865.26

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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.