Home / 15,277.32-21,083.24-14,577.48

Finding the Fourth Proportional to 15,277.32, 21,083.24 and 14,577.48

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Solution

The fourth proportional to 15,277.32, 21,083.24 and 14,577.48 is: 20,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.32 : 21,083.24 = 14,577.48 : x
  2. Step 2: Convert to fraction form
    15,277.32/21,083.24 = 14,577.48/x
  3. Step 3: Cross multiply
    15,277.32x = 21,083.24 × 14,577.48
  4. Step 4: Simplify right side
    15,277.32x = 307,340,509.44
  5. Step 5: Solve for x
    x = 307,340,509.44/15,277.32
  6. Step 6: Final answer
    x = 20,117.44

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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.