Home / 10,848.70-16,278.30-4,280.40

Finding the Fourth Proportional to 10,848.70, 16,278.30 and 4,280.40

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Solution

The fourth proportional to 10,848.70, 16,278.30 and 4,280.40 is: 6,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.70 : 16,278.30 = 4,280.40 : x
  2. Step 2: Convert to fraction form
    10,848.70/16,278.30 = 4,280.40/x
  3. Step 3: Cross multiply
    10,848.70x = 16,278.30 × 4,280.40
  4. Step 4: Simplify right side
    10,848.70x = 69,677,635.32
  5. Step 5: Solve for x
    x = 69,677,635.32/10,848.70
  6. Step 6: Final answer
    x = 6,422.67

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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.