Home / 14,455.56-19,947.60-9,429.42

Finding the Fourth Proportional to 14,455.56, 19,947.60 and 9,429.42

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Solution

The fourth proportional to 14,455.56, 19,947.60 and 9,429.42 is: 13,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.56 : 19,947.60 = 9,429.42 : x
  2. Step 2: Convert to fraction form
    14,455.56/19,947.60 = 9,429.42/x
  3. Step 3: Cross multiply
    14,455.56x = 19,947.60 × 9,429.42
  4. Step 4: Simplify right side
    14,455.56x = 188,094,298.39
  5. Step 5: Solve for x
    x = 188,094,298.39/14,455.56
  6. Step 6: Final answer
    x = 13,011.90

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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.