Home / 12,154.08-16,771.68-7,437.72

Finding the Fourth Proportional to 12,154.08, 16,771.68 and 7,437.72

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Solution

The fourth proportional to 12,154.08, 16,771.68 and 7,437.72 is: 10,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.08 : 16,771.68 = 7,437.72 : x
  2. Step 2: Convert to fraction form
    12,154.08/16,771.68 = 7,437.72/x
  3. Step 3: Cross multiply
    12,154.08x = 16,771.68 × 7,437.72
  4. Step 4: Simplify right side
    12,154.08x = 124,743,059.77
  5. Step 5: Solve for x
    x = 124,743,059.77/12,154.08
  6. Step 6: Final answer
    x = 10,263.47

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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.