Home / 19,589.04-29,377.32-6,438.37

Finding the Fourth Proportional to 19,589.04, 29,377.32 and 6,438.37

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Solution

The fourth proportional to 19,589.04, 29,377.32 and 6,438.37 is: 9,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.04 : 29,377.32 = 6,438.37 : x
  2. Step 2: Convert to fraction form
    19,589.04/29,377.32 = 6,438.37/x
  3. Step 3: Cross multiply
    19,589.04x = 29,377.32 × 6,438.37
  4. Step 4: Simplify right side
    19,589.04x = 189,142,055.77
  5. Step 5: Solve for x
    x = 189,142,055.77/19,589.04
  6. Step 6: Final answer
    x = 9,655.50

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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.