Home / 10,853.40-16,280.54-3,457.08

Finding the Fourth Proportional to 10,853.40, 16,280.54 and 3,457.08

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Solution

The fourth proportional to 10,853.40, 16,280.54 and 3,457.08 is: 5,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.40 : 16,280.54 = 3,457.08 : x
  2. Step 2: Convert to fraction form
    10,853.40/16,280.54 = 3,457.08/x
  3. Step 3: Cross multiply
    10,853.40x = 16,280.54 × 3,457.08
  4. Step 4: Simplify right side
    10,853.40x = 56,283,129.22
  5. Step 5: Solve for x
    x = 56,283,129.22/10,853.40
  6. Step 6: Final answer
    x = 5,185.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.