Home / 14,772.88-22,154.52-4,909.51

Finding the Fourth Proportional to 14,772.88, 22,154.52 and 4,909.51

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Solution

The fourth proportional to 14,772.88, 22,154.52 and 4,909.51 is: 7,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.88 : 22,154.52 = 4,909.51 : x
  2. Step 2: Convert to fraction form
    14,772.88/22,154.52 = 4,909.51/x
  3. Step 3: Cross multiply
    14,772.88x = 22,154.52 × 4,909.51
  4. Step 4: Simplify right side
    14,772.88x = 108,767,837.49
  5. Step 5: Solve for x
    x = 108,767,837.49/14,772.88
  6. Step 6: Final answer
    x = 7,362.67

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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.