Home / 15,776.36-23,655.66-5,240.74

Finding the Fourth Proportional to 15,776.36, 23,655.66 and 5,240.74

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Solution

The fourth proportional to 15,776.36, 23,655.66 and 5,240.74 is: 7,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.36 : 23,655.66 = 5,240.74 : x
  2. Step 2: Convert to fraction form
    15,776.36/23,655.66 = 5,240.74/x
  3. Step 3: Cross multiply
    15,776.36x = 23,655.66 × 5,240.74
  4. Step 4: Simplify right side
    15,776.36x = 123,973,163.59
  5. Step 5: Solve for x
    x = 123,973,163.59/15,776.36
  6. Step 6: Final answer
    x = 7,858.16

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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.