Home / 10,390.35-15,585.57-2,994.84

Finding the Fourth Proportional to 10,390.35, 15,585.57 and 2,994.84

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Solution

The fourth proportional to 10,390.35, 15,585.57 and 2,994.84 is: 4,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.35 : 15,585.57 = 2,994.84 : x
  2. Step 2: Convert to fraction form
    10,390.35/15,585.57 = 2,994.84/x
  3. Step 3: Cross multiply
    10,390.35x = 15,585.57 × 2,994.84
  4. Step 4: Simplify right side
    10,390.35x = 46,676,346.90
  5. Step 5: Solve for x
    x = 46,676,346.90/10,390.35
  6. Step 6: Final answer
    x = 4,492.28

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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.