Home / 12,959.16-19,437.45-4,638.84

Finding the Fourth Proportional to 12,959.16, 19,437.45 and 4,638.84

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Solution

The fourth proportional to 12,959.16, 19,437.45 and 4,638.84 is: 6,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.16 : 19,437.45 = 4,638.84 : x
  2. Step 2: Convert to fraction form
    12,959.16/19,437.45 = 4,638.84/x
  3. Step 3: Cross multiply
    12,959.16x = 19,437.45 × 4,638.84
  4. Step 4: Simplify right side
    12,959.16x = 90,167,220.56
  5. Step 5: Solve for x
    x = 90,167,220.56/12,959.16
  6. Step 6: Final answer
    x = 6,957.80

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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.