Home / 10,328.88-14,256.48-6,609.36

Finding the Fourth Proportional to 10,328.88, 14,256.48 and 6,609.36

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Solution

The fourth proportional to 10,328.88, 14,256.48 and 6,609.36 is: 9,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.88 : 14,256.48 = 6,609.36 : x
  2. Step 2: Convert to fraction form
    10,328.88/14,256.48 = 6,609.36/x
  3. Step 3: Cross multiply
    10,328.88x = 14,256.48 × 6,609.36
  4. Step 4: Simplify right side
    10,328.88x = 94,226,208.65
  5. Step 5: Solve for x
    x = 94,226,208.65/10,328.88
  6. Step 6: Final answer
    x = 9,122.60

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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.