Home / 11,256.12-15,534.76-6,782.14

Finding the Fourth Proportional to 11,256.12, 15,534.76 and 6,782.14

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Solution

The fourth proportional to 11,256.12, 15,534.76 and 6,782.14 is: 9,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.12 : 15,534.76 = 6,782.14 : x
  2. Step 2: Convert to fraction form
    11,256.12/15,534.76 = 6,782.14/x
  3. Step 3: Cross multiply
    11,256.12x = 15,534.76 × 6,782.14
  4. Step 4: Simplify right side
    11,256.12x = 105,358,917.19
  5. Step 5: Solve for x
    x = 105,358,917.19/11,256.12
  6. Step 6: Final answer
    x = 9,360.15

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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.