Home / 14,269.06-19,689.62-7,894.81

Finding the Fourth Proportional to 14,269.06, 19,689.62 and 7,894.81

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Solution

The fourth proportional to 14,269.06, 19,689.62 and 7,894.81 is: 10,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.06 : 19,689.62 = 7,894.81 : x
  2. Step 2: Convert to fraction form
    14,269.06/19,689.62 = 7,894.81/x
  3. Step 3: Cross multiply
    14,269.06x = 19,689.62 × 7,894.81
  4. Step 4: Simplify right side
    14,269.06x = 155,445,670.95
  5. Step 5: Solve for x
    x = 155,445,670.95/14,269.06
  6. Step 6: Final answer
    x = 10,893.90

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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.