Home / 10,237.50-15,358.77-3,312

Finding the Fourth Proportional to 10,237.50, 15,358.77 and 3,312

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Solution

The fourth proportional to 10,237.50, 15,358.77 and 3,312 is: 4,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.50 : 15,358.77 = 3,312 : x
  2. Step 2: Convert to fraction form
    10,237.50/15,358.77 = 3,312/x
  3. Step 3: Cross multiply
    10,237.50x = 15,358.77 × 3,312
  4. Step 4: Simplify right side
    10,237.50x = 50,868,246.24
  5. Step 5: Solve for x
    x = 50,868,246.24/10,237.50
  6. Step 6: Final answer
    x = 4,968.82

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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.