Home / 13,510.85-18,651.60-10,479.11

Finding the Fourth Proportional to 13,510.85, 18,651.60 and 10,479.11

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Solution

The fourth proportional to 13,510.85, 18,651.60 and 10,479.11 is: 14,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.85 : 18,651.60 = 10,479.11 : x
  2. Step 2: Convert to fraction form
    13,510.85/18,651.60 = 10,479.11/x
  3. Step 3: Cross multiply
    13,510.85x = 18,651.60 × 10,479.11
  4. Step 4: Simplify right side
    13,510.85x = 195,452,074.82
  5. Step 5: Solve for x
    x = 195,452,074.82/13,510.85
  6. Step 6: Final answer
    x = 14,466.31

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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.