Home / 14,032.14-19,366.20-9,780.45

Finding the Fourth Proportional to 14,032.14, 19,366.20 and 9,780.45

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Solution

The fourth proportional to 14,032.14, 19,366.20 and 9,780.45 is: 13,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.14 : 19,366.20 = 9,780.45 : x
  2. Step 2: Convert to fraction form
    14,032.14/19,366.20 = 9,780.45/x
  3. Step 3: Cross multiply
    14,032.14x = 19,366.20 × 9,780.45
  4. Step 4: Simplify right side
    14,032.14x = 189,410,150.79
  5. Step 5: Solve for x
    x = 189,410,150.79/14,032.14
  6. Step 6: Final answer
    x = 13,498.31

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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.