Home / 14,162.48-19,544.52-9,315.44

Finding the Fourth Proportional to 14,162.48, 19,544.52 and 9,315.44

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Solution

The fourth proportional to 14,162.48, 19,544.52 and 9,315.44 is: 12,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.48 : 19,544.52 = 9,315.44 : x
  2. Step 2: Convert to fraction form
    14,162.48/19,544.52 = 9,315.44/x
  3. Step 3: Cross multiply
    14,162.48x = 19,544.52 × 9,315.44
  4. Step 4: Simplify right side
    14,162.48x = 182,065,803.39
  5. Step 5: Solve for x
    x = 182,065,803.39/14,162.48
  6. Step 6: Final answer
    x = 12,855.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.