Home / 14,935.02-20,609.76-8,220.28

Finding the Fourth Proportional to 14,935.02, 20,609.76 and 8,220.28

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Solution

The fourth proportional to 14,935.02, 20,609.76 and 8,220.28 is: 11,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.02 : 20,609.76 = 8,220.28 : x
  2. Step 2: Convert to fraction form
    14,935.02/20,609.76 = 8,220.28/x
  3. Step 3: Cross multiply
    14,935.02x = 20,609.76 × 8,220.28
  4. Step 4: Simplify right side
    14,935.02x = 169,417,997.93
  5. Step 5: Solve for x
    x = 169,417,997.93/14,935.02
  6. Step 6: Final answer
    x = 11,343.67

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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.