Home / 17,439.24-26,139.36-6,899.52

Finding the Fourth Proportional to 17,439.24, 26,139.36 and 6,899.52

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Solution

The fourth proportional to 17,439.24, 26,139.36 and 6,899.52 is: 10,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,439.24 : 26,139.36 = 6,899.52 : x
  2. Step 2: Convert to fraction form
    17,439.24/26,139.36 = 6,899.52/x
  3. Step 3: Cross multiply
    17,439.24x = 26,139.36 × 6,899.52
  4. Step 4: Simplify right side
    17,439.24x = 180,349,037.11
  5. Step 5: Solve for x
    x = 180,349,037.11/17,439.24
  6. Step 6: Final answer
    x = 10,341.57

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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.