Home / 10,098.79-15,150.23-4,255.40

Finding the Fourth Proportional to 10,098.79, 15,150.23 and 4,255.40

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Solution

The fourth proportional to 10,098.79, 15,150.23 and 4,255.40 is: 6,383.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.79 : 15,150.23 = 4,255.40 : x
  2. Step 2: Convert to fraction form
    10,098.79/15,150.23 = 4,255.40/x
  3. Step 3: Cross multiply
    10,098.79x = 15,150.23 × 4,255.40
  4. Step 4: Simplify right side
    10,098.79x = 64,470,288.74
  5. Step 5: Solve for x
    x = 64,470,288.74/10,098.79
  6. Step 6: Final answer
    x = 6,383.96

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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.