Home / 9,277.80-13,916.70-6,178.20

Finding the Fourth Proportional to 9,277.80, 13,916.70 and 6,178.20

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Solution

The fourth proportional to 9,277.80, 13,916.70 and 6,178.20 is: 9,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.80 : 13,916.70 = 6,178.20 : x
  2. Step 2: Convert to fraction form
    9,277.80/13,916.70 = 6,178.20/x
  3. Step 3: Cross multiply
    9,277.80x = 13,916.70 × 6,178.20
  4. Step 4: Simplify right side
    9,277.80x = 85,980,155.94
  5. Step 5: Solve for x
    x = 85,980,155.94/9,277.80
  6. Step 6: Final answer
    x = 9,267.30

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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.