Home / 10,509.99-15,764.56-2,612.52

Finding the Fourth Proportional to 10,509.99, 15,764.56 and 2,612.52

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Solution

The fourth proportional to 10,509.99, 15,764.56 and 2,612.52 is: 3,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.99 : 15,764.56 = 2,612.52 : x
  2. Step 2: Convert to fraction form
    10,509.99/15,764.56 = 2,612.52/x
  3. Step 3: Cross multiply
    10,509.99x = 15,764.56 × 2,612.52
  4. Step 4: Simplify right side
    10,509.99x = 41,185,228.29
  5. Step 5: Solve for x
    x = 41,185,228.29/10,509.99
  6. Step 6: Final answer
    x = 3,918.67

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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.