Home / 19,386.80-29,056.74-8,842.39

Finding the Fourth Proportional to 19,386.80, 29,056.74 and 8,842.39

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Solution

The fourth proportional to 19,386.80, 29,056.74 and 8,842.39 is: 13,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.80 : 29,056.74 = 8,842.39 : x
  2. Step 2: Convert to fraction form
    19,386.80/29,056.74 = 8,842.39/x
  3. Step 3: Cross multiply
    19,386.80x = 29,056.74 × 8,842.39
  4. Step 4: Simplify right side
    19,386.80x = 256,930,921.41
  5. Step 5: Solve for x
    x = 256,930,921.41/19,386.80
  6. Step 6: Final answer
    x = 13,252.88

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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.