Home / 10,904.36-15,048.79-6,188.94

Finding the Fourth Proportional to 10,904.36, 15,048.79 and 6,188.94

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Solution

The fourth proportional to 10,904.36, 15,048.79 and 6,188.94 is: 8,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.36 : 15,048.79 = 6,188.94 : x
  2. Step 2: Convert to fraction form
    10,904.36/15,048.79 = 6,188.94/x
  3. Step 3: Cross multiply
    10,904.36x = 15,048.79 × 6,188.94
  4. Step 4: Simplify right side
    10,904.36x = 93,136,042.91
  5. Step 5: Solve for x
    x = 93,136,042.91/10,904.36
  6. Step 6: Final answer
    x = 8,541.18

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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.