Home / 12,830.34-19,248.21-4,932.84

Finding the Fourth Proportional to 12,830.34, 19,248.21 and 4,932.84

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Solution

The fourth proportional to 12,830.34, 19,248.21 and 4,932.84 is: 7,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.34 : 19,248.21 = 4,932.84 : x
  2. Step 2: Convert to fraction form
    12,830.34/19,248.21 = 4,932.84/x
  3. Step 3: Cross multiply
    12,830.34x = 19,248.21 × 4,932.84
  4. Step 4: Simplify right side
    12,830.34x = 94,948,340.22
  5. Step 5: Solve for x
    x = 94,948,340.22/12,830.34
  6. Step 6: Final answer
    x = 7,400.30

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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.