Home / 10,587.08-15,879.81-4,345.49

Finding the Fourth Proportional to 10,587.08, 15,879.81 and 4,345.49

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Solution

The fourth proportional to 10,587.08, 15,879.81 and 4,345.49 is: 6,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.08 : 15,879.81 = 4,345.49 : x
  2. Step 2: Convert to fraction form
    10,587.08/15,879.81 = 4,345.49/x
  3. Step 3: Cross multiply
    10,587.08x = 15,879.81 × 4,345.49
  4. Step 4: Simplify right side
    10,587.08x = 69,005,555.56
  5. Step 5: Solve for x
    x = 69,005,555.56/10,587.08
  6. Step 6: Final answer
    x = 6,517.90

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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.