Home / 14,688.39-20,269.27-7,973.83

Finding the Fourth Proportional to 14,688.39, 20,269.27 and 7,973.83

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Solution

The fourth proportional to 14,688.39, 20,269.27 and 7,973.83 is: 11,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.39 : 20,269.27 = 7,973.83 : x
  2. Step 2: Convert to fraction form
    14,688.39/20,269.27 = 7,973.83/x
  3. Step 3: Cross multiply
    14,688.39x = 20,269.27 × 7,973.83
  4. Step 4: Simplify right side
    14,688.39x = 161,623,713.20
  5. Step 5: Solve for x
    x = 161,623,713.20/14,688.39
  6. Step 6: Final answer
    x = 11,003.50

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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.