Home / 11,276.42-15,561.30-6,240.24

Finding the Fourth Proportional to 11,276.42, 15,561.30 and 6,240.24

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Solution

The fourth proportional to 11,276.42, 15,561.30 and 6,240.24 is: 8,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.42 : 15,561.30 = 6,240.24 : x
  2. Step 2: Convert to fraction form
    11,276.42/15,561.30 = 6,240.24/x
  3. Step 3: Cross multiply
    11,276.42x = 15,561.30 × 6,240.24
  4. Step 4: Simplify right side
    11,276.42x = 97,106,246.71
  5. Step 5: Solve for x
    x = 97,106,246.71/11,276.42
  6. Step 6: Final answer
    x = 8,611.44

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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.