Home / 15,406.40-23,069.28-11,946.56

Finding the Fourth Proportional to 15,406.40, 23,069.28 and 11,946.56

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Solution

The fourth proportional to 15,406.40, 23,069.28 and 11,946.56 is: 17,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.40 : 23,069.28 = 11,946.56 : x
  2. Step 2: Convert to fraction form
    15,406.40/23,069.28 = 11,946.56/x
  3. Step 3: Cross multiply
    15,406.40x = 23,069.28 × 11,946.56
  4. Step 4: Simplify right side
    15,406.40x = 275,598,537.68
  5. Step 5: Solve for x
    x = 275,598,537.68/15,406.40
  6. Step 6: Final answer
    x = 17,888.57

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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.