Home / 10,276.63-15,414.91-2,485.45

Finding the Fourth Proportional to 10,276.63, 15,414.91 and 2,485.45

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Solution

The fourth proportional to 10,276.63, 15,414.91 and 2,485.45 is: 3,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.63 : 15,414.91 = 2,485.45 : x
  2. Step 2: Convert to fraction form
    10,276.63/15,414.91 = 2,485.45/x
  3. Step 3: Cross multiply
    10,276.63x = 15,414.91 × 2,485.45
  4. Step 4: Simplify right side
    10,276.63x = 38,312,988.06
  5. Step 5: Solve for x
    x = 38,312,988.06/10,276.63
  6. Step 6: Final answer
    x = 3,728.17

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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.