Home / 15,374.81-23,065.46-4,985.75

Finding the Fourth Proportional to 15,374.81, 23,065.46 and 4,985.75

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Solution

The fourth proportional to 15,374.81, 23,065.46 and 4,985.75 is: 7,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.81 : 23,065.46 = 4,985.75 : x
  2. Step 2: Convert to fraction form
    15,374.81/23,065.46 = 4,985.75/x
  3. Step 3: Cross multiply
    15,374.81x = 23,065.46 × 4,985.75
  4. Step 4: Simplify right side
    15,374.81x = 114,998,592.27
  5. Step 5: Solve for x
    x = 114,998,592.27/15,374.81
  6. Step 6: Final answer
    x = 7,479.68

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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.