Home / 14,084.95-21,120.60-7,061.95

Finding the Fourth Proportional to 14,084.95, 21,120.60 and 7,061.95

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Solution

The fourth proportional to 14,084.95, 21,120.60 and 7,061.95 is: 10,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.95 : 21,120.60 = 7,061.95 : x
  2. Step 2: Convert to fraction form
    14,084.95/21,120.60 = 7,061.95/x
  3. Step 3: Cross multiply
    14,084.95x = 21,120.60 × 7,061.95
  4. Step 4: Simplify right side
    14,084.95x = 149,152,621.17
  5. Step 5: Solve for x
    x = 149,152,621.17/14,084.95
  6. Step 6: Final answer
    x = 10,589.50

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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.