Home / 15,746.40-23,619.60-14,543.55

Finding the Fourth Proportional to 15,746.40, 23,619.60 and 14,543.55

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Solution

The fourth proportional to 15,746.40, 23,619.60 and 14,543.55 is: 21,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.40 : 23,619.60 = 14,543.55 : x
  2. Step 2: Convert to fraction form
    15,746.40/23,619.60 = 14,543.55/x
  3. Step 3: Cross multiply
    15,746.40x = 23,619.60 × 14,543.55
  4. Step 4: Simplify right side
    15,746.40x = 343,512,833.58
  5. Step 5: Solve for x
    x = 343,512,833.58/15,746.40
  6. Step 6: Final answer
    x = 21,815.33

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.