Home / 11,585.84-15,988.48-6,550.06

Finding the Fourth Proportional to 11,585.84, 15,988.48 and 6,550.06

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Solution

The fourth proportional to 11,585.84, 15,988.48 and 6,550.06 is: 9,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.84 : 15,988.48 = 6,550.06 : x
  2. Step 2: Convert to fraction form
    11,585.84/15,988.48 = 6,550.06/x
  3. Step 3: Cross multiply
    11,585.84x = 15,988.48 × 6,550.06
  4. Step 4: Simplify right side
    11,585.84x = 104,725,503.31
  5. Step 5: Solve for x
    x = 104,725,503.31/11,585.84
  6. Step 6: Final answer
    x = 9,039.09

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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.