Home / 14,688.92-20,276.10-10,730.36

Finding the Fourth Proportional to 14,688.92, 20,276.10 and 10,730.36

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Solution

The fourth proportional to 14,688.92, 20,276.10 and 10,730.36 is: 14,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.92 : 20,276.10 = 10,730.36 : x
  2. Step 2: Convert to fraction form
    14,688.92/20,276.10 = 10,730.36/x
  3. Step 3: Cross multiply
    14,688.92x = 20,276.10 × 10,730.36
  4. Step 4: Simplify right side
    14,688.92x = 217,569,852.40
  5. Step 5: Solve for x
    x = 217,569,852.40/14,688.92
  6. Step 6: Final answer
    x = 14,811.83

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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.