Home / 13,275.64-18,327.30-12,012.28

Finding the Fourth Proportional to 13,275.64, 18,327.30 and 12,012.28

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Solution

The fourth proportional to 13,275.64, 18,327.30 and 12,012.28 is: 16,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.64 : 18,327.30 = 12,012.28 : x
  2. Step 2: Convert to fraction form
    13,275.64/18,327.30 = 12,012.28/x
  3. Step 3: Cross multiply
    13,275.64x = 18,327.30 × 12,012.28
  4. Step 4: Simplify right side
    13,275.64x = 220,152,659.24
  5. Step 5: Solve for x
    x = 220,152,659.24/13,275.64
  6. Step 6: Final answer
    x = 16,583.20

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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.