Home / 15,447.76-23,280.45-13,968.66

Finding the Fourth Proportional to 15,447.76, 23,280.45 and 13,968.66

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Solution

The fourth proportional to 15,447.76, 23,280.45 and 13,968.66 is: 21,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.76 : 23,280.45 = 13,968.66 : x
  2. Step 2: Convert to fraction form
    15,447.76/23,280.45 = 13,968.66/x
  3. Step 3: Cross multiply
    15,447.76x = 23,280.45 × 13,968.66
  4. Step 4: Simplify right side
    15,447.76x = 325,196,690.70
  5. Step 5: Solve for x
    x = 325,196,690.70/15,447.76
  6. Step 6: Final answer
    x = 21,051.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.