Home / 11,019.76-15,205.68-6,303.16

Finding the Fourth Proportional to 11,019.76, 15,205.68 and 6,303.16

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Solution

The fourth proportional to 11,019.76, 15,205.68 and 6,303.16 is: 8,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.76 : 15,205.68 = 6,303.16 : x
  2. Step 2: Convert to fraction form
    11,019.76/15,205.68 = 6,303.16/x
  3. Step 3: Cross multiply
    11,019.76x = 15,205.68 × 6,303.16
  4. Step 4: Simplify right side
    11,019.76x = 95,843,833.95
  5. Step 5: Solve for x
    x = 95,843,833.95/11,019.76
  6. Step 6: Final answer
    x = 8,697.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.