Home / 13,383.28-20,075.06-5,483.76

Finding the Fourth Proportional to 13,383.28, 20,075.06 and 5,483.76

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Solution

The fourth proportional to 13,383.28, 20,075.06 and 5,483.76 is: 8,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.28 : 20,075.06 = 5,483.76 : x
  2. Step 2: Convert to fraction form
    13,383.28/20,075.06 = 5,483.76/x
  3. Step 3: Cross multiply
    13,383.28x = 20,075.06 × 5,483.76
  4. Step 4: Simplify right side
    13,383.28x = 110,086,831.53
  5. Step 5: Solve for x
    x = 110,086,831.53/13,383.28
  6. Step 6: Final answer
    x = 8,225.70

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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.