Home / 13,461.74-18,577.00-7,493.40

Finding the Fourth Proportional to 13,461.74, 18,577.00 and 7,493.40

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Solution

The fourth proportional to 13,461.74, 18,577.00 and 7,493.40 is: 10,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.74 : 18,577.00 = 7,493.40 : x
  2. Step 2: Convert to fraction form
    13,461.74/18,577.00 = 7,493.40/x
  3. Step 3: Cross multiply
    13,461.74x = 18,577.00 × 7,493.40
  4. Step 4: Simplify right side
    13,461.74x = 139,204,780.18
  5. Step 5: Solve for x
    x = 139,204,780.18/13,461.74
  6. Step 6: Final answer
    x = 10,340.78

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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.