Home / 11,554.17-15,944.88-7,015.53

Finding the Fourth Proportional to 11,554.17, 15,944.88 and 7,015.53

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Solution

The fourth proportional to 11,554.17, 15,944.88 and 7,015.53 is: 9,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.17 : 15,944.88 = 7,015.53 : x
  2. Step 2: Convert to fraction form
    11,554.17/15,944.88 = 7,015.53/x
  3. Step 3: Cross multiply
    11,554.17x = 15,944.88 × 7,015.53
  4. Step 4: Simplify right side
    11,554.17x = 111,861,783.99
  5. Step 5: Solve for x
    x = 111,861,783.99/11,554.17
  6. Step 6: Final answer
    x = 9,681.51

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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.