Home / 11,148.52-15,386.34-6,961

Finding the Fourth Proportional to 11,148.52, 15,386.34 and 6,961

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Solution

The fourth proportional to 11,148.52, 15,386.34 and 6,961 is: 9,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.52 : 15,386.34 = 6,961 : x
  2. Step 2: Convert to fraction form
    11,148.52/15,386.34 = 6,961/x
  3. Step 3: Cross multiply
    11,148.52x = 15,386.34 × 6,961
  4. Step 4: Simplify right side
    11,148.52x = 107,104,312.74
  5. Step 5: Solve for x
    x = 107,104,312.74/11,148.52
  6. Step 6: Final answer
    x = 9,607.04

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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.