Home / 10,303.03-15,416.25-6,145.30

Finding the Fourth Proportional to 10,303.03, 15,416.25 and 6,145.30

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Solution

The fourth proportional to 10,303.03, 15,416.25 and 6,145.30 is: 9,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.03 : 15,416.25 = 6,145.30 : x
  2. Step 2: Convert to fraction form
    10,303.03/15,416.25 = 6,145.30/x
  3. Step 3: Cross multiply
    10,303.03x = 15,416.25 × 6,145.30
  4. Step 4: Simplify right side
    10,303.03x = 94,737,481.13
  5. Step 5: Solve for x
    x = 94,737,481.13/10,303.03
  6. Step 6: Final answer
    x = 9,195.11

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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.