Home / 12,938.32-19,398.30-6,357.52

Finding the Fourth Proportional to 12,938.32, 19,398.30 and 6,357.52

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Solution

The fourth proportional to 12,938.32, 19,398.30 and 6,357.52 is: 9,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938.32 : 19,398.30 = 6,357.52 : x
  2. Step 2: Convert to fraction form
    12,938.32/19,398.30 = 6,357.52/x
  3. Step 3: Cross multiply
    12,938.32x = 19,398.30 × 6,357.52
  4. Step 4: Simplify right side
    12,938.32x = 123,325,080.22
  5. Step 5: Solve for x
    x = 123,325,080.22/12,938.32
  6. Step 6: Final answer
    x = 9,531.77

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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.