Home / 10,498.50-15,747.65-4,257.03

Finding the Fourth Proportional to 10,498.50, 15,747.65 and 4,257.03

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Solution

The fourth proportional to 10,498.50, 15,747.65 and 4,257.03 is: 6,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.50 : 15,747.65 = 4,257.03 : x
  2. Step 2: Convert to fraction form
    10,498.50/15,747.65 = 4,257.03/x
  3. Step 3: Cross multiply
    10,498.50x = 15,747.65 × 4,257.03
  4. Step 4: Simplify right side
    10,498.50x = 67,038,207.58
  5. Step 5: Solve for x
    x = 67,038,207.58/10,498.50
  6. Step 6: Final answer
    x = 6,385.50

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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.