Home / 14,595.04-20,144.82-8,311.06

Finding the Fourth Proportional to 14,595.04, 20,144.82 and 8,311.06

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Solution

The fourth proportional to 14,595.04, 20,144.82 and 8,311.06 is: 11,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.04 : 20,144.82 = 8,311.06 : x
  2. Step 2: Convert to fraction form
    14,595.04/20,144.82 = 8,311.06/x
  3. Step 3: Cross multiply
    14,595.04x = 20,144.82 × 8,311.06
  4. Step 4: Simplify right side
    14,595.04x = 167,424,807.71
  5. Step 5: Solve for x
    x = 167,424,807.71/14,595.04
  6. Step 6: Final answer
    x = 11,471.35

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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.