Home / 12,835.80-19,253.70-9,725.40

Finding the Fourth Proportional to 12,835.80, 19,253.70 and 9,725.40

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Solution

The fourth proportional to 12,835.80, 19,253.70 and 9,725.40 is: 14,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.80 : 19,253.70 = 9,725.40 : x
  2. Step 2: Convert to fraction form
    12,835.80/19,253.70 = 9,725.40/x
  3. Step 3: Cross multiply
    12,835.80x = 19,253.70 × 9,725.40
  4. Step 4: Simplify right side
    12,835.80x = 187,249,933.98
  5. Step 5: Solve for x
    x = 187,249,933.98/12,835.80
  6. Step 6: Final answer
    x = 14,588.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.