Home / 13,975.77-20,957.18-5,208.33

Finding the Fourth Proportional to 13,975.77, 20,957.18 and 5,208.33

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Solution

The fourth proportional to 13,975.77, 20,957.18 and 5,208.33 is: 7,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.77 : 20,957.18 = 5,208.33 : x
  2. Step 2: Convert to fraction form
    13,975.77/20,957.18 = 5,208.33/x
  3. Step 3: Cross multiply
    13,975.77x = 20,957.18 × 5,208.33
  4. Step 4: Simplify right side
    13,975.77x = 109,151,883.27
  5. Step 5: Solve for x
    x = 109,151,883.27/13,975.77
  6. Step 6: Final answer
    x = 7,810.08

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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.