Home / 14,353.40-19,816.85-9,251.21

Finding the Fourth Proportional to 14,353.40, 19,816.85 and 9,251.21

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Solution

The fourth proportional to 14,353.40, 19,816.85 and 9,251.21 is: 12,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.40 : 19,816.85 = 9,251.21 : x
  2. Step 2: Convert to fraction form
    14,353.40/19,816.85 = 9,251.21/x
  3. Step 3: Cross multiply
    14,353.40x = 19,816.85 × 9,251.21
  4. Step 4: Simplify right side
    14,353.40x = 183,329,913.56
  5. Step 5: Solve for x
    x = 183,329,913.56/14,353.40
  6. Step 6: Final answer
    x = 12,772.58

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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.