Home / 10,946.28-15,103.09-6,695.80

Finding the Fourth Proportional to 10,946.28, 15,103.09 and 6,695.80

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Solution

The fourth proportional to 10,946.28, 15,103.09 and 6,695.80 is: 9,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.28 : 15,103.09 = 6,695.80 : x
  2. Step 2: Convert to fraction form
    10,946.28/15,103.09 = 6,695.80/x
  3. Step 3: Cross multiply
    10,946.28x = 15,103.09 × 6,695.80
  4. Step 4: Simplify right side
    10,946.28x = 101,127,240.63
  5. Step 5: Solve for x
    x = 101,127,240.63/10,946.28
  6. Step 6: Final answer
    x = 9,238.50

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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.