Home / 13,955.07-20,933.28-5,634.05

Finding the Fourth Proportional to 13,955.07, 20,933.28 and 5,634.05

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Solution

The fourth proportional to 13,955.07, 20,933.28 and 5,634.05 is: 8,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.07 : 20,933.28 = 5,634.05 : x
  2. Step 2: Convert to fraction form
    13,955.07/20,933.28 = 5,634.05/x
  3. Step 3: Cross multiply
    13,955.07x = 20,933.28 × 5,634.05
  4. Step 4: Simplify right side
    13,955.07x = 117,939,041.52
  5. Step 5: Solve for x
    x = 117,939,041.52/13,955.07
  6. Step 6: Final answer
    x = 8,451.34

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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.