Home / 10,237.80-15,356.70-3,312.30

Finding the Fourth Proportional to 10,237.80, 15,356.70 and 3,312.30

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Solution

The fourth proportional to 10,237.80, 15,356.70 and 3,312.30 is: 4,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.80 : 15,356.70 = 3,312.30 : x
  2. Step 2: Convert to fraction form
    10,237.80/15,356.70 = 3,312.30/x
  3. Step 3: Cross multiply
    10,237.80x = 15,356.70 × 3,312.30
  4. Step 4: Simplify right side
    10,237.80x = 50,865,997.41
  5. Step 5: Solve for x
    x = 50,865,997.41/10,237.80
  6. Step 6: Final answer
    x = 4,968.45

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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.