Home / 12,517.70-17,256.02-9,528.32

Finding the Fourth Proportional to 12,517.70, 17,256.02 and 9,528.32

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Solution

The fourth proportional to 12,517.70, 17,256.02 and 9,528.32 is: 13,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.70 : 17,256.02 = 9,528.32 : x
  2. Step 2: Convert to fraction form
    12,517.70/17,256.02 = 9,528.32/x
  3. Step 3: Cross multiply
    12,517.70x = 17,256.02 × 9,528.32
  4. Step 4: Simplify right side
    12,517.70x = 164,420,875.98
  5. Step 5: Solve for x
    x = 164,420,875.98/12,517.70
  6. Step 6: Final answer
    x = 13,135.08

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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.