Home / 10,190.58-15,273.08-5,510.40

Finding the Fourth Proportional to 10,190.58, 15,273.08 and 5,510.40

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Solution

The fourth proportional to 10,190.58, 15,273.08 and 5,510.40 is: 8,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.58 : 15,273.08 = 5,510.40 : x
  2. Step 2: Convert to fraction form
    10,190.58/15,273.08 = 5,510.40/x
  3. Step 3: Cross multiply
    10,190.58x = 15,273.08 × 5,510.40
  4. Step 4: Simplify right side
    10,190.58x = 84,160,780.03
  5. Step 5: Solve for x
    x = 84,160,780.03/10,190.58
  6. Step 6: Final answer
    x = 8,258.68

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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.