Home / 10,491.08-15,739.14-4,649.36

Finding the Fourth Proportional to 10,491.08, 15,739.14 and 4,649.36

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Solution

The fourth proportional to 10,491.08, 15,739.14 and 4,649.36 is: 6,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.08 : 15,739.14 = 4,649.36 : x
  2. Step 2: Convert to fraction form
    10,491.08/15,739.14 = 4,649.36/x
  3. Step 3: Cross multiply
    10,491.08x = 15,739.14 × 4,649.36
  4. Step 4: Simplify right side
    10,491.08x = 73,176,927.95
  5. Step 5: Solve for x
    x = 73,176,927.95/10,491.08
  6. Step 6: Final answer
    x = 6,975.16

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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.