Home / 15,655.56-23,483.40-3,968.79

Finding the Fourth Proportional to 15,655.56, 23,483.40 and 3,968.79

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Solution

The fourth proportional to 15,655.56, 23,483.40 and 3,968.79 is: 5,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.56 : 23,483.40 = 3,968.79 : x
  2. Step 2: Convert to fraction form
    15,655.56/23,483.40 = 3,968.79/x
  3. Step 3: Cross multiply
    15,655.56x = 23,483.40 × 3,968.79
  4. Step 4: Simplify right side
    15,655.56x = 93,200,683.09
  5. Step 5: Solve for x
    x = 93,200,683.09/15,655.56
  6. Step 6: Final answer
    x = 5,953.20

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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.