Home / 10,907.20-16,317.60-9,462.40

Finding the Fourth Proportional to 10,907.20, 16,317.60 and 9,462.40

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Solution

The fourth proportional to 10,907.20, 16,317.60 and 9,462.40 is: 14,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.20 : 16,317.60 = 9,462.40 : x
  2. Step 2: Convert to fraction form
    10,907.20/16,317.60 = 9,462.40/x
  3. Step 3: Cross multiply
    10,907.20x = 16,317.60 × 9,462.40
  4. Step 4: Simplify right side
    10,907.20x = 154,403,658.24
  5. Step 5: Solve for x
    x = 154,403,658.24/10,907.20
  6. Step 6: Final answer
    x = 14,156.12

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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.