Home / 15,374.06-23,064.33-4,985

Finding the Fourth Proportional to 15,374.06, 23,064.33 and 4,985

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Solution

The fourth proportional to 15,374.06, 23,064.33 and 4,985 is: 7,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.06 : 23,064.33 = 4,985 : x
  2. Step 2: Convert to fraction form
    15,374.06/23,064.33 = 4,985/x
  3. Step 3: Cross multiply
    15,374.06x = 23,064.33 × 4,985
  4. Step 4: Simplify right side
    15,374.06x = 114,975,685.05
  5. Step 5: Solve for x
    x = 114,975,685.05/15,374.06
  6. Step 6: Final answer
    x = 7,478.55

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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.