Home / 13,298.81-19,948.82-4,976.66

Finding the Fourth Proportional to 13,298.81, 19,948.82 and 4,976.66

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Solution

The fourth proportional to 13,298.81, 19,948.82 and 4,976.66 is: 7,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.81 : 19,948.82 = 4,976.66 : x
  2. Step 2: Convert to fraction form
    13,298.81/19,948.82 = 4,976.66/x
  3. Step 3: Cross multiply
    13,298.81x = 19,948.82 × 4,976.66
  4. Step 4: Simplify right side
    13,298.81x = 99,278,519.53
  5. Step 5: Solve for x
    x = 99,278,519.53/13,298.81
  6. Step 6: Final answer
    x = 7,465.22

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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.