Home / 12,828.95-19,250.08-9,708.02

Finding the Fourth Proportional to 12,828.95, 19,250.08 and 9,708.02

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Solution

The fourth proportional to 12,828.95, 19,250.08 and 9,708.02 is: 14,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.95 : 19,250.08 = 9,708.02 : x
  2. Step 2: Convert to fraction form
    12,828.95/19,250.08 = 9,708.02/x
  3. Step 3: Cross multiply
    12,828.95x = 19,250.08 × 9,708.02
  4. Step 4: Simplify right side
    12,828.95x = 186,880,161.64
  5. Step 5: Solve for x
    x = 186,880,161.64/12,828.95
  6. Step 6: Final answer
    x = 14,567.07

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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.