Home / 19,573.76-29,359.58-6,424.40

Finding the Fourth Proportional to 19,573.76, 29,359.58 and 6,424.40

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Solution

The fourth proportional to 19,573.76, 29,359.58 and 6,424.40 is: 9,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.76 : 29,359.58 = 6,424.40 : x
  2. Step 2: Convert to fraction form
    19,573.76/29,359.58 = 6,424.40/x
  3. Step 3: Cross multiply
    19,573.76x = 29,359.58 × 6,424.40
  4. Step 4: Simplify right side
    19,573.76x = 188,617,685.75
  5. Step 5: Solve for x
    x = 188,617,685.75/19,573.76
  6. Step 6: Final answer
    x = 9,636.25

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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.