Home / 12,736.59-17,577.45-7,430.28

Finding the Fourth Proportional to 12,736.59, 17,577.45 and 7,430.28

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Solution

The fourth proportional to 12,736.59, 17,577.45 and 7,430.28 is: 10,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.59 : 17,577.45 = 7,430.28 : x
  2. Step 2: Convert to fraction form
    12,736.59/17,577.45 = 7,430.28/x
  3. Step 3: Cross multiply
    12,736.59x = 17,577.45 × 7,430.28
  4. Step 4: Simplify right side
    12,736.59x = 130,605,375.19
  5. Step 5: Solve for x
    x = 130,605,375.19/12,736.59
  6. Step 6: Final answer
    x = 10,254.34

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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.