Home / 10,471.08-15,713.91-7,187.34

Finding the Fourth Proportional to 10,471.08, 15,713.91 and 7,187.34

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Solution

The fourth proportional to 10,471.08, 15,713.91 and 7,187.34 is: 10,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.08 : 15,713.91 = 7,187.34 : x
  2. Step 2: Convert to fraction form
    10,471.08/15,713.91 = 7,187.34/x
  3. Step 3: Cross multiply
    10,471.08x = 15,713.91 × 7,187.34
  4. Step 4: Simplify right side
    10,471.08x = 112,941,213.90
  5. Step 5: Solve for x
    x = 112,941,213.90/10,471.08
  6. Step 6: Final answer
    x = 10,786.01

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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.