Home / 15,577.57-21,494.51-9,203.28

Finding the Fourth Proportional to 15,577.57, 21,494.51 and 9,203.28

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Solution

The fourth proportional to 15,577.57, 21,494.51 and 9,203.28 is: 12,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.57 : 21,494.51 = 9,203.28 : x
  2. Step 2: Convert to fraction form
    15,577.57/21,494.51 = 9,203.28/x
  3. Step 3: Cross multiply
    15,577.57x = 21,494.51 × 9,203.28
  4. Step 4: Simplify right side
    15,577.57x = 197,819,993.99
  5. Step 5: Solve for x
    x = 197,819,993.99/15,577.57
  6. Step 6: Final answer
    x = 12,699.03

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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.