Home / 14,295.55-19,727.59-7,921.89

Finding the Fourth Proportional to 14,295.55, 19,727.59 and 7,921.89

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Solution

The fourth proportional to 14,295.55, 19,727.59 and 7,921.89 is: 10,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.55 : 19,727.59 = 7,921.89 : x
  2. Step 2: Convert to fraction form
    14,295.55/19,727.59 = 7,921.89/x
  3. Step 3: Cross multiply
    14,295.55x = 19,727.59 × 7,921.89
  4. Step 4: Simplify right side
    14,295.55x = 156,279,929.08
  5. Step 5: Solve for x
    x = 156,279,929.08/14,295.55
  6. Step 6: Final answer
    x = 10,932.07

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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.