Home / 14,315.24-19,756.78-8,346.90

Finding the Fourth Proportional to 14,315.24, 19,756.78 and 8,346.90

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Solution

The fourth proportional to 14,315.24, 19,756.78 and 8,346.90 is: 11,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.24 : 19,756.78 = 8,346.90 : x
  2. Step 2: Convert to fraction form
    14,315.24/19,756.78 = 8,346.90/x
  3. Step 3: Cross multiply
    14,315.24x = 19,756.78 × 8,346.90
  4. Step 4: Simplify right side
    14,315.24x = 164,907,866.98
  5. Step 5: Solve for x
    x = 164,907,866.98/14,315.24
  6. Step 6: Final answer
    x = 11,519.74

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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.