Home / 10,365.54-15,545.57-4,125.30

Finding the Fourth Proportional to 10,365.54, 15,545.57 and 4,125.30

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Solution

The fourth proportional to 10,365.54, 15,545.57 and 4,125.30 is: 6,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.54 : 15,545.57 = 4,125.30 : x
  2. Step 2: Convert to fraction form
    10,365.54/15,545.57 = 4,125.30/x
  3. Step 3: Cross multiply
    10,365.54x = 15,545.57 × 4,125.30
  4. Step 4: Simplify right side
    10,365.54x = 64,130,119.29
  5. Step 5: Solve for x
    x = 64,130,119.29/10,365.54
  6. Step 6: Final answer
    x = 6,186.86

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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.