Home / 14,412.30-19,888.65-8,124.54

Finding the Fourth Proportional to 14,412.30, 19,888.65 and 8,124.54

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Solution

The fourth proportional to 14,412.30, 19,888.65 and 8,124.54 is: 11,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.30 : 19,888.65 = 8,124.54 : x
  2. Step 2: Convert to fraction form
    14,412.30/19,888.65 = 8,124.54/x
  3. Step 3: Cross multiply
    14,412.30x = 19,888.65 × 8,124.54
  4. Step 4: Simplify right side
    14,412.30x = 161,586,132.47
  5. Step 5: Solve for x
    x = 161,586,132.47/14,412.30
  6. Step 6: Final answer
    x = 11,211.68

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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.