Home / 9,938.20-14,907.30-6,633.40

Finding the Fourth Proportional to 9,938.20, 14,907.30 and 6,633.40

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Solution

The fourth proportional to 9,938.20, 14,907.30 and 6,633.40 is: 9,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.20 : 14,907.30 = 6,633.40 : x
  2. Step 2: Convert to fraction form
    9,938.20/14,907.30 = 6,633.40/x
  3. Step 3: Cross multiply
    9,938.20x = 14,907.30 × 6,633.40
  4. Step 4: Simplify right side
    9,938.20x = 98,886,083.82
  5. Step 5: Solve for x
    x = 98,886,083.82/9,938.20
  6. Step 6: Final answer
    x = 9,950.10

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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.