Home / 15,421.89-23,132.76-3,735.11

Finding the Fourth Proportional to 15,421.89, 23,132.76 and 3,735.11

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Solution

The fourth proportional to 15,421.89, 23,132.76 and 3,735.11 is: 5,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.89 : 23,132.76 = 3,735.11 : x
  2. Step 2: Convert to fraction form
    15,421.89/23,132.76 = 3,735.11/x
  3. Step 3: Cross multiply
    15,421.89x = 23,132.76 × 3,735.11
  4. Step 4: Simplify right side
    15,421.89x = 86,403,326.70
  5. Step 5: Solve for x
    x = 86,403,326.70/15,421.89
  6. Step 6: Final answer
    x = 5,602.64

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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.