Home / 10,239.12-14,137.08-6,707.28

Finding the Fourth Proportional to 10,239.12, 14,137.08 and 6,707.28

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Solution

The fourth proportional to 10,239.12, 14,137.08 and 6,707.28 is: 9,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.12 : 14,137.08 = 6,707.28 : x
  2. Step 2: Convert to fraction form
    10,239.12/14,137.08 = 6,707.28/x
  3. Step 3: Cross multiply
    10,239.12x = 14,137.08 × 6,707.28
  4. Step 4: Simplify right side
    10,239.12x = 94,821,353.94
  5. Step 5: Solve for x
    x = 94,821,353.94/10,239.12
  6. Step 6: Final answer
    x = 9,260.69

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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.