Home / 10,670.08-16,005.40-6,290.68

Finding the Fourth Proportional to 10,670.08, 16,005.40 and 6,290.68

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Solution

The fourth proportional to 10,670.08, 16,005.40 and 6,290.68 is: 9,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.08 : 16,005.40 = 6,290.68 : x
  2. Step 2: Convert to fraction form
    10,670.08/16,005.40 = 6,290.68/x
  3. Step 3: Cross multiply
    10,670.08x = 16,005.40 × 6,290.68
  4. Step 4: Simplify right side
    10,670.08x = 100,684,849.67
  5. Step 5: Solve for x
    x = 100,684,849.67/10,670.08
  6. Step 6: Final answer
    x = 9,436.19

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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.