Home / 14,357.40-21,539.13-7,245.69

Finding the Fourth Proportional to 14,357.40, 21,539.13 and 7,245.69

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Solution

The fourth proportional to 14,357.40, 21,539.13 and 7,245.69 is: 10,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.40 : 21,539.13 = 7,245.69 : x
  2. Step 2: Convert to fraction form
    14,357.40/21,539.13 = 7,245.69/x
  3. Step 3: Cross multiply
    14,357.40x = 21,539.13 × 7,245.69
  4. Step 4: Simplify right side
    14,357.40x = 156,065,858.85
  5. Step 5: Solve for x
    x = 156,065,858.85/14,357.40
  6. Step 6: Final answer
    x = 10,870.06

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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.