Home / 19,154.50-28,731.77-5,303.50

Finding the Fourth Proportional to 19,154.50, 28,731.77 and 5,303.50

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Solution

The fourth proportional to 19,154.50, 28,731.77 and 5,303.50 is: 7,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.50 : 28,731.77 = 5,303.50 : x
  2. Step 2: Convert to fraction form
    19,154.50/28,731.77 = 5,303.50/x
  3. Step 3: Cross multiply
    19,154.50x = 28,731.77 × 5,303.50
  4. Step 4: Simplify right side
    19,154.50x = 152,378,942.20
  5. Step 5: Solve for x
    x = 152,378,942.20/19,154.50
  6. Step 6: Final answer
    x = 7,955.26

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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.