Home / 19,946.50-27,518.46-11,445.55

Finding the Fourth Proportional to 19,946.50, 27,518.46 and 11,445.55

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Solution

The fourth proportional to 19,946.50, 27,518.46 and 11,445.55 is: 15,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.50 : 27,518.46 = 11,445.55 : x
  2. Step 2: Convert to fraction form
    19,946.50/27,518.46 = 11,445.55/x
  3. Step 3: Cross multiply
    19,946.50x = 27,518.46 × 11,445.55
  4. Step 4: Simplify right side
    19,946.50x = 314,963,985.12
  5. Step 5: Solve for x
    x = 314,963,985.12/19,946.50
  6. Step 6: Final answer
    x = 15,790.44

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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.