Home / 12,852.12-19,265.05-7,293.72

Finding the Fourth Proportional to 12,852.12, 19,265.05 and 7,293.72

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Solution

The fourth proportional to 12,852.12, 19,265.05 and 7,293.72 is: 10,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.12 : 19,265.05 = 7,293.72 : x
  2. Step 2: Convert to fraction form
    12,852.12/19,265.05 = 7,293.72/x
  3. Step 3: Cross multiply
    12,852.12x = 19,265.05 × 7,293.72
  4. Step 4: Simplify right side
    12,852.12x = 140,513,880.49
  5. Step 5: Solve for x
    x = 140,513,880.49/12,852.12
  6. Step 6: Final answer
    x = 10,933.13

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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.