Home / 12,651.33-17,457.51-7,345.11

Finding the Fourth Proportional to 12,651.33, 17,457.51 and 7,345.11

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Solution

The fourth proportional to 12,651.33, 17,457.51 and 7,345.11 is: 10,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651.33 : 17,457.51 = 7,345.11 : x
  2. Step 2: Convert to fraction form
    12,651.33/17,457.51 = 7,345.11/x
  3. Step 3: Cross multiply
    12,651.33x = 17,457.51 × 7,345.11
  4. Step 4: Simplify right side
    12,651.33x = 128,227,331.28
  5. Step 5: Solve for x
    x = 128,227,331.28/12,651.33
  6. Step 6: Final answer
    x = 10,135.48

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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.