Home / 30,930.18-46,398.66-9,865.32

Finding the Fourth Proportional to 30,930.18, 46,398.66 and 9,865.32

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Solution

The fourth proportional to 30,930.18, 46,398.66 and 9,865.32 is: 14,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.18 : 46,398.66 = 9,865.32 : x
  2. Step 2: Convert to fraction form
    30,930.18/46,398.66 = 9,865.32/x
  3. Step 3: Cross multiply
    30,930.18x = 46,398.66 × 9,865.32
  4. Step 4: Simplify right side
    30,930.18x = 457,737,628.47
  5. Step 5: Solve for x
    x = 457,737,628.47/30,930.18
  6. Step 6: Final answer
    x = 14,799.06

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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.