Home / 14,711.22-20,295.90-9,405.18

Finding the Fourth Proportional to 14,711.22, 20,295.90 and 9,405.18

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Solution

The fourth proportional to 14,711.22, 20,295.90 and 9,405.18 is: 12,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.22 : 20,295.90 = 9,405.18 : x
  2. Step 2: Convert to fraction form
    14,711.22/20,295.90 = 9,405.18/x
  3. Step 3: Cross multiply
    14,711.22x = 20,295.90 × 9,405.18
  4. Step 4: Simplify right side
    14,711.22x = 190,886,592.76
  5. Step 5: Solve for x
    x = 190,886,592.76/14,711.22
  6. Step 6: Final answer
    x = 12,975.58

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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.