Home / 12,948.08-17,867.70-7,283.75

Finding the Fourth Proportional to 12,948.08, 17,867.70 and 7,283.75

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Solution

The fourth proportional to 12,948.08, 17,867.70 and 7,283.75 is: 10,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.08 : 17,867.70 = 7,283.75 : x
  2. Step 2: Convert to fraction form
    12,948.08/17,867.70 = 7,283.75/x
  3. Step 3: Cross multiply
    12,948.08x = 17,867.70 × 7,283.75
  4. Step 4: Simplify right side
    12,948.08x = 130,143,770.54
  5. Step 5: Solve for x
    x = 130,143,770.54/12,948.08
  6. Step 6: Final answer
    x = 10,051.21

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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.