Home / 18,106.30-27,140.10-7,573.66

Finding the Fourth Proportional to 18,106.30, 27,140.10 and 7,573.66

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Solution

The fourth proportional to 18,106.30, 27,140.10 and 7,573.66 is: 11,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.30 : 27,140.10 = 7,573.66 : x
  2. Step 2: Convert to fraction form
    18,106.30/27,140.10 = 7,573.66/x
  3. Step 3: Cross multiply
    18,106.30x = 27,140.10 × 7,573.66
  4. Step 4: Simplify right side
    18,106.30x = 205,549,889.77
  5. Step 5: Solve for x
    x = 205,549,889.77/18,106.30
  6. Step 6: Final answer
    x = 11,352.40

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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.