Home / 13,026.20-17,973.15-7,360.66

Finding the Fourth Proportional to 13,026.20, 17,973.15 and 7,360.66

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Solution

The fourth proportional to 13,026.20, 17,973.15 and 7,360.66 is: 10,156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.20 : 17,973.15 = 7,360.66 : x
  2. Step 2: Convert to fraction form
    13,026.20/17,973.15 = 7,360.66/x
  3. Step 3: Cross multiply
    13,026.20x = 17,973.15 × 7,360.66
  4. Step 4: Simplify right side
    13,026.20x = 132,294,156.41
  5. Step 5: Solve for x
    x = 132,294,156.41/13,026.20
  6. Step 6: Final answer
    x = 10,156.01

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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.