Home / 15,495.96-23,178.26-10,509.60

Finding the Fourth Proportional to 15,495.96, 23,178.26 and 10,509.60

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Solution

The fourth proportional to 15,495.96, 23,178.26 and 10,509.60 is: 15,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.96 : 23,178.26 = 10,509.60 : x
  2. Step 2: Convert to fraction form
    15,495.96/23,178.26 = 10,509.60/x
  3. Step 3: Cross multiply
    15,495.96x = 23,178.26 × 10,509.60
  4. Step 4: Simplify right side
    15,495.96x = 243,594,241.30
  5. Step 5: Solve for x
    x = 243,594,241.30/15,495.96
  6. Step 6: Final answer
    x = 15,719.85

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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.