Home / 15,529.60-21,434.25-10,225

Finding the Fourth Proportional to 15,529.60, 21,434.25 and 10,225

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Solution

The fourth proportional to 15,529.60, 21,434.25 and 10,225 is: 14,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.60 : 21,434.25 = 10,225 : x
  2. Step 2: Convert to fraction form
    15,529.60/21,434.25 = 10,225/x
  3. Step 3: Cross multiply
    15,529.60x = 21,434.25 × 10,225
  4. Step 4: Simplify right side
    15,529.60x = 219,165,206.25
  5. Step 5: Solve for x
    x = 219,165,206.25/15,529.60
  6. Step 6: Final answer
    x = 14,112.74

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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.