Home / 10,856.08-14,980.94-6,140.26

Finding the Fourth Proportional to 10,856.08, 14,980.94 and 6,140.26

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Solution

The fourth proportional to 10,856.08, 14,980.94 and 6,140.26 is: 8,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.08 : 14,980.94 = 6,140.26 : x
  2. Step 2: Convert to fraction form
    10,856.08/14,980.94 = 6,140.26/x
  3. Step 3: Cross multiply
    10,856.08x = 14,980.94 × 6,140.26
  4. Step 4: Simplify right side
    10,856.08x = 91,986,866.64
  5. Step 5: Solve for x
    x = 91,986,866.64/10,856.08
  6. Step 6: Final answer
    x = 8,473.30

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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.