Home / 13,280.58-19,906.95-4,957.26

Finding the Fourth Proportional to 13,280.58, 19,906.95 and 4,957.26

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Solution

The fourth proportional to 13,280.58, 19,906.95 and 4,957.26 is: 7,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.58 : 19,906.95 = 4,957.26 : x
  2. Step 2: Convert to fraction form
    13,280.58/19,906.95 = 4,957.26/x
  3. Step 3: Cross multiply
    13,280.58x = 19,906.95 × 4,957.26
  4. Step 4: Simplify right side
    13,280.58x = 98,683,926.96
  5. Step 5: Solve for x
    x = 98,683,926.96/13,280.58
  6. Step 6: Final answer
    x = 7,430.69

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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.