Home / 12,962.88-19,437.71-4,641.48

Finding the Fourth Proportional to 12,962.88, 19,437.71 and 4,641.48

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Solution

The fourth proportional to 12,962.88, 19,437.71 and 4,641.48 is: 6,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.88 : 19,437.71 = 4,641.48 : x
  2. Step 2: Convert to fraction form
    12,962.88/19,437.71 = 4,641.48/x
  3. Step 3: Cross multiply
    12,962.88x = 19,437.71 × 4,641.48
  4. Step 4: Simplify right side
    12,962.88x = 90,219,719.00
  5. Step 5: Solve for x
    x = 90,219,719.00/12,962.88
  6. Step 6: Final answer
    x = 6,959.85

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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.