Home / 11,287.12-15,573.36-6,570.40

Finding the Fourth Proportional to 11,287.12, 15,573.36 and 6,570.40

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Solution

The fourth proportional to 11,287.12, 15,573.36 and 6,570.40 is: 9,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.12 : 15,573.36 = 6,570.40 : x
  2. Step 2: Convert to fraction form
    11,287.12/15,573.36 = 6,570.40/x
  3. Step 3: Cross multiply
    11,287.12x = 15,573.36 × 6,570.40
  4. Step 4: Simplify right side
    11,287.12x = 102,323,204.54
  5. Step 5: Solve for x
    x = 102,323,204.54/11,287.12
  6. Step 6: Final answer
    x = 9,065.48

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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.