Home / 11,066.40-15,271.50-6,350.64

Finding the Fourth Proportional to 11,066.40, 15,271.50 and 6,350.64

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Solution

The fourth proportional to 11,066.40, 15,271.50 and 6,350.64 is: 8,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.40 : 15,271.50 = 6,350.64 : x
  2. Step 2: Convert to fraction form
    11,066.40/15,271.50 = 6,350.64/x
  3. Step 3: Cross multiply
    11,066.40x = 15,271.50 × 6,350.64
  4. Step 4: Simplify right side
    11,066.40x = 96,983,798.76
  5. Step 5: Solve for x
    x = 96,983,798.76/11,066.40
  6. Step 6: Final answer
    x = 8,763.81

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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.