Home / 10,237.20-15,323.40-5,545.50

Finding the Fourth Proportional to 10,237.20, 15,323.40 and 5,545.50

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Solution

The fourth proportional to 10,237.20, 15,323.40 and 5,545.50 is: 8,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.20 : 15,323.40 = 5,545.50 : x
  2. Step 2: Convert to fraction form
    10,237.20/15,323.40 = 5,545.50/x
  3. Step 3: Cross multiply
    10,237.20x = 15,323.40 × 5,545.50
  4. Step 4: Simplify right side
    10,237.20x = 84,975,914.70
  5. Step 5: Solve for x
    x = 84,975,914.70/10,237.20
  6. Step 6: Final answer
    x = 8,300.70

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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.