Home / 12,807.71-19,214.65-4,042.60

Finding the Fourth Proportional to 12,807.71, 19,214.65 and 4,042.60

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Solution

The fourth proportional to 12,807.71, 19,214.65 and 4,042.60 is: 6,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.71 : 19,214.65 = 4,042.60 : x
  2. Step 2: Convert to fraction form
    12,807.71/19,214.65 = 4,042.60/x
  3. Step 3: Cross multiply
    12,807.71x = 19,214.65 × 4,042.60
  4. Step 4: Simplify right side
    12,807.71x = 77,677,101.11
  5. Step 5: Solve for x
    x = 77,677,101.11/12,807.71
  6. Step 6: Final answer
    x = 6,064.87

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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.