Home / 14,412.52-19,888.90-8,124.76

Finding the Fourth Proportional to 14,412.52, 19,888.90 and 8,124.76

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Solution

The fourth proportional to 14,412.52, 19,888.90 and 8,124.76 is: 11,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.52 : 19,888.90 = 8,124.76 : x
  2. Step 2: Convert to fraction form
    14,412.52/19,888.90 = 8,124.76/x
  3. Step 3: Cross multiply
    14,412.52x = 19,888.90 × 8,124.76
  4. Step 4: Simplify right side
    14,412.52x = 161,592,539.16
  5. Step 5: Solve for x
    x = 161,592,539.16/14,412.52
  6. Step 6: Final answer
    x = 11,211.96

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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.