Home / 12,708.73-19,065.64-4,389.05

Finding the Fourth Proportional to 12,708.73, 19,065.64 and 4,389.05

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Solution

The fourth proportional to 12,708.73, 19,065.64 and 4,389.05 is: 6,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.73 : 19,065.64 = 4,389.05 : x
  2. Step 2: Convert to fraction form
    12,708.73/19,065.64 = 4,389.05/x
  3. Step 3: Cross multiply
    12,708.73x = 19,065.64 × 4,389.05
  4. Step 4: Simplify right side
    12,708.73x = 83,680,047.24
  5. Step 5: Solve for x
    x = 83,680,047.24/12,708.73
  6. Step 6: Final answer
    x = 6,584.45

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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.