Home / 14,012.80-21,019.77-4,653.65

Finding the Fourth Proportional to 14,012.80, 21,019.77 and 4,653.65

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Solution

The fourth proportional to 14,012.80, 21,019.77 and 4,653.65 is: 6,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.80 : 21,019.77 = 4,653.65 : x
  2. Step 2: Convert to fraction form
    14,012.80/21,019.77 = 4,653.65/x
  3. Step 3: Cross multiply
    14,012.80x = 21,019.77 × 4,653.65
  4. Step 4: Simplify right side
    14,012.80x = 97,818,705.21
  5. Step 5: Solve for x
    x = 97,818,705.21/14,012.80
  6. Step 6: Final answer
    x = 6,980.67

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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.