Home / 11,020.23-16,512.69-9,901.20

Finding the Fourth Proportional to 11,020.23, 16,512.69 and 9,901.20

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Solution

The fourth proportional to 11,020.23, 16,512.69 and 9,901.20 is: 14,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.23 : 16,512.69 = 9,901.20 : x
  2. Step 2: Convert to fraction form
    11,020.23/16,512.69 = 9,901.20/x
  3. Step 3: Cross multiply
    11,020.23x = 16,512.69 × 9,901.20
  4. Step 4: Simplify right side
    11,020.23x = 163,495,446.23
  5. Step 5: Solve for x
    x = 163,495,446.23/11,020.23
  6. Step 6: Final answer
    x = 14,835.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.