Home / 10,620.03-14,655.66-5,904.32

Finding the Fourth Proportional to 10,620.03, 14,655.66 and 5,904.32

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Solution

The fourth proportional to 10,620.03, 14,655.66 and 5,904.32 is: 8,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.03 : 14,655.66 = 5,904.32 : x
  2. Step 2: Convert to fraction form
    10,620.03/14,655.66 = 5,904.32/x
  3. Step 3: Cross multiply
    10,620.03x = 14,655.66 × 5,904.32
  4. Step 4: Simplify right side
    10,620.03x = 86,531,633.17
  5. Step 5: Solve for x
    x = 86,531,633.17/10,620.03
  6. Step 6: Final answer
    x = 8,147.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.