Home / 14,990.03-20,689.11-8,941.76

Finding the Fourth Proportional to 14,990.03, 20,689.11 and 8,941.76

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Solution

The fourth proportional to 14,990.03, 20,689.11 and 8,941.76 is: 12,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.03 : 20,689.11 = 8,941.76 : x
  2. Step 2: Convert to fraction form
    14,990.03/20,689.11 = 8,941.76/x
  3. Step 3: Cross multiply
    14,990.03x = 20,689.11 × 8,941.76
  4. Step 4: Simplify right side
    14,990.03x = 184,996,952.79
  5. Step 5: Solve for x
    x = 184,996,952.79/14,990.03
  6. Step 6: Final answer
    x = 12,341.34

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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.