Home / 14,580.14-21,870.70-4,719.50

Finding the Fourth Proportional to 14,580.14, 21,870.70 and 4,719.50

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Solution

The fourth proportional to 14,580.14, 21,870.70 and 4,719.50 is: 7,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.14 : 21,870.70 = 4,719.50 : x
  2. Step 2: Convert to fraction form
    14,580.14/21,870.70 = 4,719.50/x
  3. Step 3: Cross multiply
    14,580.14x = 21,870.70 × 4,719.50
  4. Step 4: Simplify right side
    14,580.14x = 103,218,768.65
  5. Step 5: Solve for x
    x = 103,218,768.65/14,580.14
  6. Step 6: Final answer
    x = 7,079.41

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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.