Home / 12,964.02-19,434.12-4,642.08

Finding the Fourth Proportional to 12,964.02, 19,434.12 and 4,642.08

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Solution

The fourth proportional to 12,964.02, 19,434.12 and 4,642.08 is: 6,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964.02 : 19,434.12 = 4,642.08 : x
  2. Step 2: Convert to fraction form
    12,964.02/19,434.12 = 4,642.08/x
  3. Step 3: Cross multiply
    12,964.02x = 19,434.12 × 4,642.08
  4. Step 4: Simplify right side
    12,964.02x = 90,214,739.77
  5. Step 5: Solve for x
    x = 90,214,739.77/12,964.02
  6. Step 6: Final answer
    x = 6,958.86

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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.