Home / 15,689.36-23,529.06-5,156.94

Finding the Fourth Proportional to 15,689.36, 23,529.06 and 5,156.94

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Solution

The fourth proportional to 15,689.36, 23,529.06 and 5,156.94 is: 7,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.36 : 23,529.06 = 5,156.94 : x
  2. Step 2: Convert to fraction form
    15,689.36/23,529.06 = 5,156.94/x
  3. Step 3: Cross multiply
    15,689.36x = 23,529.06 × 5,156.94
  4. Step 4: Simplify right side
    15,689.36x = 121,337,950.68
  5. Step 5: Solve for x
    x = 121,337,950.68/15,689.36
  6. Step 6: Final answer
    x = 7,733.77

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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.