Home / 16,721.49-25,085.93-5,627.81

Finding the Fourth Proportional to 16,721.49, 25,085.93 and 5,627.81

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Solution

The fourth proportional to 16,721.49, 25,085.93 and 5,627.81 is: 8,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.49 : 25,085.93 = 5,627.81 : x
  2. Step 2: Convert to fraction form
    16,721.49/25,085.93 = 5,627.81/x
  3. Step 3: Cross multiply
    16,721.49x = 25,085.93 × 5,627.81
  4. Step 4: Simplify right side
    16,721.49x = 141,178,898.12
  5. Step 5: Solve for x
    x = 141,178,898.12/16,721.49
  6. Step 6: Final answer
    x = 8,442.96

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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.