Home / 10,335.02-15,481.70-4,780.70

Finding the Fourth Proportional to 10,335.02, 15,481.70 and 4,780.70

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Solution

The fourth proportional to 10,335.02, 15,481.70 and 4,780.70 is: 7,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.02 : 15,481.70 = 4,780.70 : x
  2. Step 2: Convert to fraction form
    10,335.02/15,481.70 = 4,780.70/x
  3. Step 3: Cross multiply
    10,335.02x = 15,481.70 × 4,780.70
  4. Step 4: Simplify right side
    10,335.02x = 74,013,363.19
  5. Step 5: Solve for x
    x = 74,013,363.19/10,335.02
  6. Step 6: Final answer
    x = 7,161.41

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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.