Home / 14,776.30-20,390.58-8,061.53

Finding the Fourth Proportional to 14,776.30, 20,390.58 and 8,061.53

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Solution

The fourth proportional to 14,776.30, 20,390.58 and 8,061.53 is: 11,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.30 : 20,390.58 = 8,061.53 : x
  2. Step 2: Convert to fraction form
    14,776.30/20,390.58 = 8,061.53/x
  3. Step 3: Cross multiply
    14,776.30x = 20,390.58 × 8,061.53
  4. Step 4: Simplify right side
    14,776.30x = 164,379,140.20
  5. Step 5: Solve for x
    x = 164,379,140.20/14,776.30
  6. Step 6: Final answer
    x = 11,124.51

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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.