Home / 10,730.20-16,095.30-9,110.20

Finding the Fourth Proportional to 10,730.20, 16,095.30 and 9,110.20

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Solution

The fourth proportional to 10,730.20, 16,095.30 and 9,110.20 is: 13,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.20 : 16,095.30 = 9,110.20 : x
  2. Step 2: Convert to fraction form
    10,730.20/16,095.30 = 9,110.20/x
  3. Step 3: Cross multiply
    10,730.20x = 16,095.30 × 9,110.20
  4. Step 4: Simplify right side
    10,730.20x = 146,631,402.06
  5. Step 5: Solve for x
    x = 146,631,402.06/10,730.20
  6. Step 6: Final answer
    x = 13,665.30

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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.