Home / 12,429.05-18,642.96-4,637.25

Finding the Fourth Proportional to 12,429.05, 18,642.96 and 4,637.25

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Solution

The fourth proportional to 12,429.05, 18,642.96 and 4,637.25 is: 6,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.05 : 18,642.96 = 4,637.25 : x
  2. Step 2: Convert to fraction form
    12,429.05/18,642.96 = 4,637.25/x
  3. Step 3: Cross multiply
    12,429.05x = 18,642.96 × 4,637.25
  4. Step 4: Simplify right side
    12,429.05x = 86,452,066.26
  5. Step 5: Solve for x
    x = 86,452,066.26/12,429.05
  6. Step 6: Final answer
    x = 6,955.65

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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.