Home / 12,277.17-18,412.38-4,779.54

Finding the Fourth Proportional to 12,277.17, 18,412.38 and 4,779.54

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Solution

The fourth proportional to 12,277.17, 18,412.38 and 4,779.54 is: 7,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.17 : 18,412.38 = 4,779.54 : x
  2. Step 2: Convert to fraction form
    12,277.17/18,412.38 = 4,779.54/x
  3. Step 3: Cross multiply
    12,277.17x = 18,412.38 × 4,779.54
  4. Step 4: Simplify right side
    12,277.17x = 88,002,706.71
  5. Step 5: Solve for x
    x = 88,002,706.71/12,277.17
  6. Step 6: Final answer
    x = 7,168.00

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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.