Home / 14,014.32-19,339.50-7,726.68

Finding the Fourth Proportional to 14,014.32, 19,339.50 and 7,726.68

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Solution

The fourth proportional to 14,014.32, 19,339.50 and 7,726.68 is: 10,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.32 : 19,339.50 = 7,726.68 : x
  2. Step 2: Convert to fraction form
    14,014.32/19,339.50 = 7,726.68/x
  3. Step 3: Cross multiply
    14,014.32x = 19,339.50 × 7,726.68
  4. Step 4: Simplify right side
    14,014.32x = 149,430,127.86
  5. Step 5: Solve for x
    x = 149,430,127.86/14,014.32
  6. Step 6: Final answer
    x = 10,662.67

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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.