Home / 12,955.95-19,435.52-4,636.85

Finding the Fourth Proportional to 12,955.95, 19,435.52 and 4,636.85

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Solution

The fourth proportional to 12,955.95, 19,435.52 and 4,636.85 is: 6,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.95 : 19,435.52 = 4,636.85 : x
  2. Step 2: Convert to fraction form
    12,955.95/19,435.52 = 4,636.85/x
  3. Step 3: Cross multiply
    12,955.95x = 19,435.52 × 4,636.85
  4. Step 4: Simplify right side
    12,955.95x = 90,119,470.55
  5. Step 5: Solve for x
    x = 90,119,470.55/12,955.95
  6. Step 6: Final answer
    x = 6,955.84

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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.