Home / 10,043.29-15,045.35-4,770.80

Finding the Fourth Proportional to 10,043.29, 15,045.35 and 4,770.80

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Solution

The fourth proportional to 10,043.29, 15,045.35 and 4,770.80 is: 7,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.29 : 15,045.35 = 4,770.80 : x
  2. Step 2: Convert to fraction form
    10,043.29/15,045.35 = 4,770.80/x
  3. Step 3: Cross multiply
    10,043.29x = 15,045.35 × 4,770.80
  4. Step 4: Simplify right side
    10,043.29x = 71,778,313.12
  5. Step 5: Solve for x
    x = 71,778,313.12/10,043.29
  6. Step 6: Final answer
    x = 7,146.89

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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.