Home / 14,772.56-20,386.14-10,998.98

Finding the Fourth Proportional to 14,772.56, 20,386.14 and 10,998.98

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Solution

The fourth proportional to 14,772.56, 20,386.14 and 10,998.98 is: 15,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.56 : 20,386.14 = 10,998.98 : x
  2. Step 2: Convert to fraction form
    14,772.56/20,386.14 = 10,998.98/x
  3. Step 3: Cross multiply
    14,772.56x = 20,386.14 × 10,998.98
  4. Step 4: Simplify right side
    14,772.56x = 224,226,644.21
  5. Step 5: Solve for x
    x = 224,226,644.21/14,772.56
  6. Step 6: Final answer
    x = 15,178.59

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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.