Home / 10,560.64-15,838.95-3,165.10

Finding the Fourth Proportional to 10,560.64, 15,838.95 and 3,165.10

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Solution

The fourth proportional to 10,560.64, 15,838.95 and 3,165.10 is: 4,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.64 : 15,838.95 = 3,165.10 : x
  2. Step 2: Convert to fraction form
    10,560.64/15,838.95 = 3,165.10/x
  3. Step 3: Cross multiply
    10,560.64x = 15,838.95 × 3,165.10
  4. Step 4: Simplify right side
    10,560.64x = 50,131,855.21
  5. Step 5: Solve for x
    x = 50,131,855.21/10,560.64
  6. Step 6: Final answer
    x = 4,747.05

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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.