Home / 15,258.80-21,064.36-11,483.44

Finding the Fourth Proportional to 15,258.80, 21,064.36 and 11,483.44

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Solution

The fourth proportional to 15,258.80, 21,064.36 and 11,483.44 is: 15,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.80 : 21,064.36 = 11,483.44 : x
  2. Step 2: Convert to fraction form
    15,258.80/21,064.36 = 11,483.44/x
  3. Step 3: Cross multiply
    15,258.80x = 21,064.36 × 11,483.44
  4. Step 4: Simplify right side
    15,258.80x = 241,891,314.20
  5. Step 5: Solve for x
    x = 241,891,314.20/15,258.80
  6. Step 6: Final answer
    x = 15,852.58

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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.