Home / 14,268.23-19,690.74-7,894.72

Finding the Fourth Proportional to 14,268.23, 19,690.74 and 7,894.72

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Solution

The fourth proportional to 14,268.23, 19,690.74 and 7,894.72 is: 10,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.23 : 19,690.74 = 7,894.72 : x
  2. Step 2: Convert to fraction form
    14,268.23/19,690.74 = 7,894.72/x
  3. Step 3: Cross multiply
    14,268.23x = 19,690.74 × 7,894.72
  4. Step 4: Simplify right side
    14,268.23x = 155,452,878.89
  5. Step 5: Solve for x
    x = 155,452,878.89/14,268.23
  6. Step 6: Final answer
    x = 10,895.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.