Home / 15,750.26-21,735.60-8,580.51

Finding the Fourth Proportional to 15,750.26, 21,735.60 and 8,580.51

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Solution

The fourth proportional to 15,750.26, 21,735.60 and 8,580.51 is: 11,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.26 : 21,735.60 = 8,580.51 : x
  2. Step 2: Convert to fraction form
    15,750.26/21,735.60 = 8,580.51/x
  3. Step 3: Cross multiply
    15,750.26x = 21,735.60 × 8,580.51
  4. Step 4: Simplify right side
    15,750.26x = 186,502,533.16
  5. Step 5: Solve for x
    x = 186,502,533.16/15,750.26
  6. Step 6: Final answer
    x = 11,841.24

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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.