Home / 11,097.88-15,315.07-6,130.20

Finding the Fourth Proportional to 11,097.88, 15,315.07 and 6,130.20

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Solution

The fourth proportional to 11,097.88, 15,315.07 and 6,130.20 is: 8,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.88 : 15,315.07 = 6,130.20 : x
  2. Step 2: Convert to fraction form
    11,097.88/15,315.07 = 6,130.20/x
  3. Step 3: Cross multiply
    11,097.88x = 15,315.07 × 6,130.20
  4. Step 4: Simplify right side
    11,097.88x = 93,884,350.21
  5. Step 5: Solve for x
    x = 93,884,350.21/11,097.88
  6. Step 6: Final answer
    x = 8,459.67

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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.