Home / 10,343.04-14,274.36-8,661.48

Finding the Fourth Proportional to 10,343.04, 14,274.36 and 8,661.48

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Solution

The fourth proportional to 10,343.04, 14,274.36 and 8,661.48 is: 11,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.04 : 14,274.36 = 8,661.48 : x
  2. Step 2: Convert to fraction form
    10,343.04/14,274.36 = 8,661.48/x
  3. Step 3: Cross multiply
    10,343.04x = 14,274.36 × 8,661.48
  4. Step 4: Simplify right side
    10,343.04x = 123,637,083.65
  5. Step 5: Solve for x
    x = 123,637,083.65/10,343.04
  6. Step 6: Final answer
    x = 11,953.65

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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.