Home / 19,280.98-26,609.10-10,783.89

Finding the Fourth Proportional to 19,280.98, 26,609.10 and 10,783.89

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Solution

The fourth proportional to 19,280.98, 26,609.10 and 10,783.89 is: 14,882.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.98 : 26,609.10 = 10,783.89 : x
  2. Step 2: Convert to fraction form
    19,280.98/26,609.10 = 10,783.89/x
  3. Step 3: Cross multiply
    19,280.98x = 26,609.10 × 10,783.89
  4. Step 4: Simplify right side
    19,280.98x = 286,949,540.88
  5. Step 5: Solve for x
    x = 286,949,540.88/19,280.98
  6. Step 6: Final answer
    x = 14,882.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.