Home / 15,421.95-23,132.86-3,735.20

Finding the Fourth Proportional to 15,421.95, 23,132.86 and 3,735.20

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Solution

The fourth proportional to 15,421.95, 23,132.86 and 3,735.20 is: 5,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.95 : 23,132.86 = 3,735.20 : x
  2. Step 2: Convert to fraction form
    15,421.95/23,132.86 = 3,735.20/x
  3. Step 3: Cross multiply
    15,421.95x = 23,132.86 × 3,735.20
  4. Step 4: Simplify right side
    15,421.95x = 86,405,907.17
  5. Step 5: Solve for x
    x = 86,405,907.17/15,421.95
  6. Step 6: Final answer
    x = 5,602.79

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1.5x scale

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.