Home / 11,116.84-15,308.58-9,937.48

Finding the Fourth Proportional to 11,116.84, 15,308.58 and 9,937.48

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Solution

The fourth proportional to 11,116.84, 15,308.58 and 9,937.48 is: 13,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.84 : 15,308.58 = 9,937.48 : x
  2. Step 2: Convert to fraction form
    11,116.84/15,308.58 = 9,937.48/x
  3. Step 3: Cross multiply
    11,116.84x = 15,308.58 × 9,937.48
  4. Step 4: Simplify right side
    11,116.84x = 152,128,707.58
  5. Step 5: Solve for x
    x = 152,128,707.58/11,116.84
  6. Step 6: Final answer
    x = 13,684.53

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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.