Home / 12,973.32-19,456.74-4,210.74

Finding the Fourth Proportional to 12,973.32, 19,456.74 and 4,210.74

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Solution

The fourth proportional to 12,973.32, 19,456.74 and 4,210.74 is: 6,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.32 : 19,456.74 = 4,210.74 : x
  2. Step 2: Convert to fraction form
    12,973.32/19,456.74 = 4,210.74/x
  3. Step 3: Cross multiply
    12,973.32x = 19,456.74 × 4,210.74
  4. Step 4: Simplify right side
    12,973.32x = 81,927,273.39
  5. Step 5: Solve for x
    x = 81,927,273.39/12,973.32
  6. Step 6: Final answer
    x = 6,315.06

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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.