Home / 30,697.09-46,045.60-9,638.77

Finding the Fourth Proportional to 30,697.09, 46,045.60 and 9,638.77

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Solution

The fourth proportional to 30,697.09, 46,045.60 and 9,638.77 is: 14,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.09 : 46,045.60 = 9,638.77 : x
  2. Step 2: Convert to fraction form
    30,697.09/46,045.60 = 9,638.77/x
  3. Step 3: Cross multiply
    30,697.09x = 46,045.60 × 9,638.77
  4. Step 4: Simplify right side
    30,697.09x = 443,823,065.20
  5. Step 5: Solve for x
    x = 443,823,065.20/30,697.09
  6. Step 6: Final answer
    x = 14,458.15

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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.