Home / 13,599.90-20,418.57-7,030.62

Finding the Fourth Proportional to 13,599.90, 20,418.57 and 7,030.62

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Solution

The fourth proportional to 13,599.90, 20,418.57 and 7,030.62 is: 10,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.90 : 20,418.57 = 7,030.62 : x
  2. Step 2: Convert to fraction form
    13,599.90/20,418.57 = 7,030.62/x
  3. Step 3: Cross multiply
    13,599.90x = 20,418.57 × 7,030.62
  4. Step 4: Simplify right side
    13,599.90x = 143,555,206.61
  5. Step 5: Solve for x
    x = 143,555,206.61/13,599.90
  6. Step 6: Final answer
    x = 10,555.61

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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.