Home / 10,119.26-13,966.36-6,345.68

Finding the Fourth Proportional to 10,119.26, 13,966.36 and 6,345.68

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Solution

The fourth proportional to 10,119.26, 13,966.36 and 6,345.68 is: 8,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.26 : 13,966.36 = 6,345.68 : x
  2. Step 2: Convert to fraction form
    10,119.26/13,966.36 = 6,345.68/x
  3. Step 3: Cross multiply
    10,119.26x = 13,966.36 × 6,345.68
  4. Step 4: Simplify right side
    10,119.26x = 88,626,051.32
  5. Step 5: Solve for x
    x = 88,626,051.32/10,119.26
  6. Step 6: Final answer
    x = 8,758.16

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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.