Home / 14,278.16-21,419.28-4,418.19

Finding the Fourth Proportional to 14,278.16, 21,419.28 and 4,418.19

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Solution

The fourth proportional to 14,278.16, 21,419.28 and 4,418.19 is: 6,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.16 : 21,419.28 = 4,418.19 : x
  2. Step 2: Convert to fraction form
    14,278.16/21,419.28 = 4,418.19/x
  3. Step 3: Cross multiply
    14,278.16x = 21,419.28 × 4,418.19
  4. Step 4: Simplify right side
    14,278.16x = 94,634,448.70
  5. Step 5: Solve for x
    x = 94,634,448.70/14,278.16
  6. Step 6: Final answer
    x = 6,627.92

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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.