Home / 11,555.70-17,340.18-11,461.74

Finding the Fourth Proportional to 11,555.70, 17,340.18 and 11,461.74

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Solution

The fourth proportional to 11,555.70, 17,340.18 and 11,461.74 is: 17,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.70 : 17,340.18 = 11,461.74 : x
  2. Step 2: Convert to fraction form
    11,555.70/17,340.18 = 11,461.74/x
  3. Step 3: Cross multiply
    11,555.70x = 17,340.18 × 11,461.74
  4. Step 4: Simplify right side
    11,555.70x = 198,748,634.71
  5. Step 5: Solve for x
    x = 198,748,634.71/11,555.70
  6. Step 6: Final answer
    x = 17,199.19

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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.