Home / 10,729.40-16,088.70-6,348.20

Finding the Fourth Proportional to 10,729.40, 16,088.70 and 6,348.20

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Solution

The fourth proportional to 10,729.40, 16,088.70 and 6,348.20 is: 9,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.40 : 16,088.70 = 6,348.20 : x
  2. Step 2: Convert to fraction form
    10,729.40/16,088.70 = 6,348.20/x
  3. Step 3: Cross multiply
    10,729.40x = 16,088.70 × 6,348.20
  4. Step 4: Simplify right side
    10,729.40x = 102,134,285.34
  5. Step 5: Solve for x
    x = 102,134,285.34/10,729.40
  6. Step 6: Final answer
    x = 9,519.11

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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.