Home / 14,487.24-19,991.70-8,897.16

Finding the Fourth Proportional to 14,487.24, 19,991.70 and 8,897.16

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Solution

The fourth proportional to 14,487.24, 19,991.70 and 8,897.16 is: 12,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.24 : 19,991.70 = 8,897.16 : x
  2. Step 2: Convert to fraction form
    14,487.24/19,991.70 = 8,897.16/x
  3. Step 3: Cross multiply
    14,487.24x = 19,991.70 × 8,897.16
  4. Step 4: Simplify right side
    14,487.24x = 177,869,353.57
  5. Step 5: Solve for x
    x = 177,869,353.57/14,487.24
  6. Step 6: Final answer
    x = 12,277.66

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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.