Home / 16,805.70-25,208.55-5,724.90

Finding the Fourth Proportional to 16,805.70, 25,208.55 and 5,724.90

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Solution

The fourth proportional to 16,805.70, 25,208.55 and 5,724.90 is: 8,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.70 : 25,208.55 = 5,724.90 : x
  2. Step 2: Convert to fraction form
    16,805.70/25,208.55 = 5,724.90/x
  3. Step 3: Cross multiply
    16,805.70x = 25,208.55 × 5,724.90
  4. Step 4: Simplify right side
    16,805.70x = 144,316,427.90
  5. Step 5: Solve for x
    x = 144,316,427.90/16,805.70
  6. Step 6: Final answer
    x = 8,587.35

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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.