Home / 10,513.04-15,769.55-4,276.44

Finding the Fourth Proportional to 10,513.04, 15,769.55 and 4,276.44

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Solution

The fourth proportional to 10,513.04, 15,769.55 and 4,276.44 is: 6,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.04 : 15,769.55 = 4,276.44 : x
  2. Step 2: Convert to fraction form
    10,513.04/15,769.55 = 4,276.44/x
  3. Step 3: Cross multiply
    10,513.04x = 15,769.55 × 4,276.44
  4. Step 4: Simplify right side
    10,513.04x = 67,437,513.02
  5. Step 5: Solve for x
    x = 67,437,513.02/10,513.04
  6. Step 6: Final answer
    x = 6,414.66

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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.