Home / 12,520.07-17,276.51-7,483.28

Finding the Fourth Proportional to 12,520.07, 17,276.51 and 7,483.28

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Solution

The fourth proportional to 12,520.07, 17,276.51 and 7,483.28 is: 10,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.07 : 17,276.51 = 7,483.28 : x
  2. Step 2: Convert to fraction form
    12,520.07/17,276.51 = 7,483.28/x
  3. Step 3: Cross multiply
    12,520.07x = 17,276.51 × 7,483.28
  4. Step 4: Simplify right side
    12,520.07x = 129,284,837.95
  5. Step 5: Solve for x
    x = 129,284,837.95/12,520.07
  6. Step 6: Final answer
    x = 10,326.21

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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.