Home / 12,748.17-19,117.94-4,848.81

Finding the Fourth Proportional to 12,748.17, 19,117.94 and 4,848.81

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Solution

The fourth proportional to 12,748.17, 19,117.94 and 4,848.81 is: 7,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.17 : 19,117.94 = 4,848.81 : x
  2. Step 2: Convert to fraction form
    12,748.17/19,117.94 = 4,848.81/x
  3. Step 3: Cross multiply
    12,748.17x = 19,117.94 × 4,848.81
  4. Step 4: Simplify right side
    12,748.17x = 92,699,138.82
  5. Step 5: Solve for x
    x = 92,699,138.82/12,748.17
  6. Step 6: Final answer
    x = 7,271.57

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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.