Home / 15,004.41-20,701.88-8,630.67

Finding the Fourth Proportional to 15,004.41, 20,701.88 and 8,630.67

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Solution

The fourth proportional to 15,004.41, 20,701.88 and 8,630.67 is: 11,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.41 : 20,701.88 = 8,630.67 : x
  2. Step 2: Convert to fraction form
    15,004.41/20,701.88 = 8,630.67/x
  3. Step 3: Cross multiply
    15,004.41x = 20,701.88 × 8,630.67
  4. Step 4: Simplify right side
    15,004.41x = 178,671,051.51
  5. Step 5: Solve for x
    x = 178,671,051.51/15,004.41
  6. Step 6: Final answer
    x = 11,907.90

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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.