Home / 9,477.83-13,065.56-6,636.25

Finding the Fourth Proportional to 9,477.83, 13,065.56 and 6,636.25

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Solution

The fourth proportional to 9,477.83, 13,065.56 and 6,636.25 is: 9,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.83 : 13,065.56 = 6,636.25 : x
  2. Step 2: Convert to fraction form
    9,477.83/13,065.56 = 6,636.25/x
  3. Step 3: Cross multiply
    9,477.83x = 13,065.56 × 6,636.25
  4. Step 4: Simplify right side
    9,477.83x = 86,706,256.70
  5. Step 5: Solve for x
    x = 86,706,256.70/9,477.83
  6. Step 6: Final answer
    x = 9,148.32

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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.