Home / 14,429.79-21,587.74-10,929.89

Finding the Fourth Proportional to 14,429.79, 21,587.74 and 10,929.89

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Solution

The fourth proportional to 14,429.79, 21,587.74 and 10,929.89 is: 16,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.79 : 21,587.74 = 10,929.89 : x
  2. Step 2: Convert to fraction form
    14,429.79/21,587.74 = 10,929.89/x
  3. Step 3: Cross multiply
    14,429.79x = 21,587.74 × 10,929.89
  4. Step 4: Simplify right side
    14,429.79x = 235,951,650.19
  5. Step 5: Solve for x
    x = 235,951,650.19/14,429.79
  6. Step 6: Final answer
    x = 16,351.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.