Home / 15,276.14-21,069.06-10,238.72

Finding the Fourth Proportional to 15,276.14, 21,069.06 and 10,238.72

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Solution

The fourth proportional to 15,276.14, 21,069.06 and 10,238.72 is: 14,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.14 : 21,069.06 = 10,238.72 : x
  2. Step 2: Convert to fraction form
    15,276.14/21,069.06 = 10,238.72/x
  3. Step 3: Cross multiply
    15,276.14x = 21,069.06 × 10,238.72
  4. Step 4: Simplify right side
    15,276.14x = 215,720,206.00
  5. Step 5: Solve for x
    x = 215,720,206.00/15,276.14
  6. Step 6: Final answer
    x = 14,121.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.