Home / 14,267.87-19,690.24-7,894.35

Finding the Fourth Proportional to 14,267.87, 19,690.24 and 7,894.35

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Solution

The fourth proportional to 14,267.87, 19,690.24 and 7,894.35 is: 10,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.87 : 19,690.24 = 7,894.35 : x
  2. Step 2: Convert to fraction form
    14,267.87/19,690.24 = 7,894.35/x
  3. Step 3: Cross multiply
    14,267.87x = 19,690.24 × 7,894.35
  4. Step 4: Simplify right side
    14,267.87x = 155,441,646.14
  5. Step 5: Solve for x
    x = 155,441,646.14/14,267.87
  6. Step 6: Final answer
    x = 10,894.52

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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.