Home / 9,346.40-14,017.80-2,772.80

Finding the Fourth Proportional to 9,346.40, 14,017.80 and 2,772.80

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Solution

The fourth proportional to 9,346.40, 14,017.80 and 2,772.80 is: 4,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.40 : 14,017.80 = 2,772.80 : x
  2. Step 2: Convert to fraction form
    9,346.40/14,017.80 = 2,772.80/x
  3. Step 3: Cross multiply
    9,346.40x = 14,017.80 × 2,772.80
  4. Step 4: Simplify right side
    9,346.40x = 38,868,555.84
  5. Step 5: Solve for x
    x = 38,868,555.84/9,346.40
  6. Step 6: Final answer
    x = 4,158.67

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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.