Home / 13,237.60-19,848.84-5,440

Finding the Fourth Proportional to 13,237.60, 19,848.84 and 5,440

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Solution

The fourth proportional to 13,237.60, 19,848.84 and 5,440 is: 8,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.60 : 19,848.84 = 5,440 : x
  2. Step 2: Convert to fraction form
    13,237.60/19,848.84 = 5,440/x
  3. Step 3: Cross multiply
    13,237.60x = 19,848.84 × 5,440
  4. Step 4: Simplify right side
    13,237.60x = 107,977,689.60
  5. Step 5: Solve for x
    x = 107,977,689.60/13,237.60
  6. Step 6: Final answer
    x = 8,156.89

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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.