Home / 19,219.42-26,522.76-10,721.55

Finding the Fourth Proportional to 19,219.42, 26,522.76 and 10,721.55

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Solution

The fourth proportional to 19,219.42, 26,522.76 and 10,721.55 is: 14,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.42 : 26,522.76 = 10,721.55 : x
  2. Step 2: Convert to fraction form
    19,219.42/26,522.76 = 10,721.55/x
  3. Step 3: Cross multiply
    19,219.42x = 26,522.76 × 10,721.55
  4. Step 4: Simplify right side
    19,219.42x = 284,365,097.48
  5. Step 5: Solve for x
    x = 284,365,097.48/19,219.42
  6. Step 6: Final answer
    x = 14,795.72

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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.