Home / 16,666.56-22,989.02-10,688.76

Finding the Fourth Proportional to 16,666.56, 22,989.02 and 10,688.76

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Solution

The fourth proportional to 16,666.56, 22,989.02 and 10,688.76 is: 14,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.56 : 22,989.02 = 10,688.76 : x
  2. Step 2: Convert to fraction form
    16,666.56/22,989.02 = 10,688.76/x
  3. Step 3: Cross multiply
    16,666.56x = 22,989.02 × 10,688.76
  4. Step 4: Simplify right side
    16,666.56x = 245,724,063.97
  5. Step 5: Solve for x
    x = 245,724,063.97/16,666.56
  6. Step 6: Final answer
    x = 14,743.54

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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.