Home / 15,386.04-23,064.47-4,990.50

Finding the Fourth Proportional to 15,386.04, 23,064.47 and 4,990.50

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Solution

The fourth proportional to 15,386.04, 23,064.47 and 4,990.50 is: 7,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.04 : 23,064.47 = 4,990.50 : x
  2. Step 2: Convert to fraction form
    15,386.04/23,064.47 = 4,990.50/x
  3. Step 3: Cross multiply
    15,386.04x = 23,064.47 × 4,990.50
  4. Step 4: Simplify right side
    15,386.04x = 115,103,237.54
  5. Step 5: Solve for x
    x = 115,103,237.54/15,386.04
  6. Step 6: Final answer
    x = 7,481.02

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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.