Home / 10,385.19-15,570.90-4,835.52

Finding the Fourth Proportional to 10,385.19, 15,570.90 and 4,835.52

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Solution

The fourth proportional to 10,385.19, 15,570.90 and 4,835.52 is: 7,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.19 : 15,570.90 = 4,835.52 : x
  2. Step 2: Convert to fraction form
    10,385.19/15,570.90 = 4,835.52/x
  3. Step 3: Cross multiply
    10,385.19x = 15,570.90 × 4,835.52
  4. Step 4: Simplify right side
    10,385.19x = 75,293,398.37
  5. Step 5: Solve for x
    x = 75,293,398.37/10,385.19
  6. Step 6: Final answer
    x = 7,250.07

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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.