Home / 15,835.07-21,856.05-10,458.57

Finding the Fourth Proportional to 15,835.07, 21,856.05 and 10,458.57

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Solution

The fourth proportional to 15,835.07, 21,856.05 and 10,458.57 is: 14,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.07 : 21,856.05 = 10,458.57 : x
  2. Step 2: Convert to fraction form
    15,835.07/21,856.05 = 10,458.57/x
  3. Step 3: Cross multiply
    15,835.07x = 21,856.05 × 10,458.57
  4. Step 4: Simplify right side
    15,835.07x = 228,583,028.85
  5. Step 5: Solve for x
    x = 228,583,028.85/15,835.07
  6. Step 6: Final answer
    x = 14,435.24

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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.