Home / 10,715.19-14,785.67-6,238.22

Finding the Fourth Proportional to 10,715.19, 14,785.67 and 6,238.22

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Solution

The fourth proportional to 10,715.19, 14,785.67 and 6,238.22 is: 8,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.19 : 14,785.67 = 6,238.22 : x
  2. Step 2: Convert to fraction form
    10,715.19/14,785.67 = 6,238.22/x
  3. Step 3: Cross multiply
    10,715.19x = 14,785.67 × 6,238.22
  4. Step 4: Simplify right side
    10,715.19x = 92,236,157.19
  5. Step 5: Solve for x
    x = 92,236,157.19/10,715.19
  6. Step 6: Final answer
    x = 8,607.99

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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.