Home / 19,219.50-26,522.18-10,721.48

Finding the Fourth Proportional to 19,219.50, 26,522.18 and 10,721.48

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Solution

The fourth proportional to 19,219.50, 26,522.18 and 10,721.48 is: 14,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.50 : 26,522.18 = 10,721.48 : x
  2. Step 2: Convert to fraction form
    19,219.50/26,522.18 = 10,721.48/x
  3. Step 3: Cross multiply
    19,219.50x = 26,522.18 × 10,721.48
  4. Step 4: Simplify right side
    19,219.50x = 284,356,836.21
  5. Step 5: Solve for x
    x = 284,356,836.21/19,219.50
  6. Step 6: Final answer
    x = 14,795.23

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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.