Home / 9,303.40-13,938.70-4,911.18

Finding the Fourth Proportional to 9,303.40, 13,938.70 and 4,911.18

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Solution

The fourth proportional to 9,303.40, 13,938.70 and 4,911.18 is: 7,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.40 : 13,938.70 = 4,911.18 : x
  2. Step 2: Convert to fraction form
    9,303.40/13,938.70 = 4,911.18/x
  3. Step 3: Cross multiply
    9,303.40x = 13,938.70 × 4,911.18
  4. Step 4: Simplify right side
    9,303.40x = 68,455,464.67
  5. Step 5: Solve for x
    x = 68,455,464.67/9,303.40
  6. Step 6: Final answer
    x = 7,358.11

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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.