Home / 12,428.01-18,642.29-4,635.27

Finding the Fourth Proportional to 12,428.01, 18,642.29 and 4,635.27

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Solution

The fourth proportional to 12,428.01, 18,642.29 and 4,635.27 is: 6,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.01 : 18,642.29 = 4,635.27 : x
  2. Step 2: Convert to fraction form
    12,428.01/18,642.29 = 4,635.27/x
  3. Step 3: Cross multiply
    12,428.01x = 18,642.29 × 4,635.27
  4. Step 4: Simplify right side
    12,428.01x = 86,412,024.39
  5. Step 5: Solve for x
    x = 86,412,024.39/12,428.01
  6. Step 6: Final answer
    x = 6,953.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.