Home / 10,669.53-14,721.58-6,190.68

Finding the Fourth Proportional to 10,669.53, 14,721.58 and 6,190.68

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Solution

The fourth proportional to 10,669.53, 14,721.58 and 6,190.68 is: 8,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.53 : 14,721.58 = 6,190.68 : x
  2. Step 2: Convert to fraction form
    10,669.53/14,721.58 = 6,190.68/x
  3. Step 3: Cross multiply
    10,669.53x = 14,721.58 × 6,190.68
  4. Step 4: Simplify right side
    10,669.53x = 91,136,590.87
  5. Step 5: Solve for x
    x = 91,136,590.87/10,669.53
  6. Step 6: Final answer
    x = 8,541.76

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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.