Home / 14,688.24-20,269.79-7,973.87

Finding the Fourth Proportional to 14,688.24, 20,269.79 and 7,973.87

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Solution

The fourth proportional to 14,688.24, 20,269.79 and 7,973.87 is: 11,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.24 : 20,269.79 = 7,973.87 : x
  2. Step 2: Convert to fraction form
    14,688.24/20,269.79 = 7,973.87/x
  3. Step 3: Cross multiply
    14,688.24x = 20,269.79 × 7,973.87
  4. Step 4: Simplify right side
    14,688.24x = 161,628,619.71
  5. Step 5: Solve for x
    x = 161,628,619.71/14,688.24
  6. Step 6: Final answer
    x = 11,003.95

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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.