Home / 14,688.19-20,269.71-7,973.81

Finding the Fourth Proportional to 14,688.19, 20,269.71 and 7,973.81

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Solution

The fourth proportional to 14,688.19, 20,269.71 and 7,973.81 is: 11,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.19 : 20,269.71 = 7,973.81 : x
  2. Step 2: Convert to fraction form
    14,688.19/20,269.71 = 7,973.81/x
  3. Step 3: Cross multiply
    14,688.19x = 20,269.71 × 7,973.81
  4. Step 4: Simplify right side
    14,688.19x = 161,626,816.30
  5. Step 5: Solve for x
    x = 161,626,816.30/14,688.19
  6. Step 6: Final answer
    x = 11,003.86

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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.