Home / 13,309.80-19,844.00-12,963.53

Finding the Fourth Proportional to 13,309.80, 19,844.00 and 12,963.53

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Solution

The fourth proportional to 13,309.80, 19,844.00 and 12,963.53 is: 19,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.80 : 19,844.00 = 12,963.53 : x
  2. Step 2: Convert to fraction form
    13,309.80/19,844.00 = 12,963.53/x
  3. Step 3: Cross multiply
    13,309.80x = 19,844.00 × 12,963.53
  4. Step 4: Simplify right side
    13,309.80x = 257,248,125.28
  5. Step 5: Solve for x
    x = 257,248,125.28/13,309.80
  6. Step 6: Final answer
    x = 19,327.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.