Home / 9,159.51-12,645.54-5,805.18

Finding the Fourth Proportional to 9,159.51, 12,645.54 and 5,805.18

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Solution

The fourth proportional to 9,159.51, 12,645.54 and 5,805.18 is: 8,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.51 : 12,645.54 = 5,805.18 : x
  2. Step 2: Convert to fraction form
    9,159.51/12,645.54 = 5,805.18/x
  3. Step 3: Cross multiply
    9,159.51x = 12,645.54 × 5,805.18
  4. Step 4: Simplify right side
    9,159.51x = 73,409,635.90
  5. Step 5: Solve for x
    x = 73,409,635.90/9,159.51
  6. Step 6: Final answer
    x = 8,014.58

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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.