Home / 10,730.60-16,095.90-9,780.20

Finding the Fourth Proportional to 10,730.60, 16,095.90 and 9,780.20

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Solution

The fourth proportional to 10,730.60, 16,095.90 and 9,780.20 is: 14,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.60 : 16,095.90 = 9,780.20 : x
  2. Step 2: Convert to fraction form
    10,730.60/16,095.90 = 9,780.20/x
  3. Step 3: Cross multiply
    10,730.60x = 16,095.90 × 9,780.20
  4. Step 4: Simplify right side
    10,730.60x = 157,421,121.18
  5. Step 5: Solve for x
    x = 157,421,121.18/10,730.60
  6. Step 6: Final answer
    x = 14,670.30

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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.