Home / 12,846.04-17,726.70-7,257.40

Finding the Fourth Proportional to 12,846.04, 17,726.70 and 7,257.40

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Solution

The fourth proportional to 12,846.04, 17,726.70 and 7,257.40 is: 10,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.04 : 17,726.70 = 7,257.40 : x
  2. Step 2: Convert to fraction form
    12,846.04/17,726.70 = 7,257.40/x
  3. Step 3: Cross multiply
    12,846.04x = 17,726.70 × 7,257.40
  4. Step 4: Simplify right side
    12,846.04x = 128,649,752.58
  5. Step 5: Solve for x
    x = 128,649,752.58/12,846.04
  6. Step 6: Final answer
    x = 10,014.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.