Home / 15,649.58-23,475.32-5,120.71

Finding the Fourth Proportional to 15,649.58, 23,475.32 and 5,120.71

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Solution

The fourth proportional to 15,649.58, 23,475.32 and 5,120.71 is: 7,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.58 : 23,475.32 = 5,120.71 : x
  2. Step 2: Convert to fraction form
    15,649.58/23,475.32 = 5,120.71/x
  3. Step 3: Cross multiply
    15,649.58x = 23,475.32 × 5,120.71
  4. Step 4: Simplify right side
    15,649.58x = 120,210,162.90
  5. Step 5: Solve for x
    x = 120,210,162.90/15,649.58
  6. Step 6: Final answer
    x = 7,681.37

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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.