Home / 12,340.76-18,506.88-3,573.32

Finding the Fourth Proportional to 12,340.76, 18,506.88 and 3,573.32

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Solution

The fourth proportional to 12,340.76, 18,506.88 and 3,573.32 is: 5,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.76 : 18,506.88 = 3,573.32 : x
  2. Step 2: Convert to fraction form
    12,340.76/18,506.88 = 3,573.32/x
  3. Step 3: Cross multiply
    12,340.76x = 18,506.88 × 3,573.32
  4. Step 4: Simplify right side
    12,340.76x = 66,130,911.91
  5. Step 5: Solve for x
    x = 66,130,911.91/12,340.76
  6. Step 6: Final answer
    x = 5,358.74

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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.