Home / 10,618.72-15,934.19-6,239.25

Finding the Fourth Proportional to 10,618.72, 15,934.19 and 6,239.25

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Solution

The fourth proportional to 10,618.72, 15,934.19 and 6,239.25 is: 9,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.72 : 15,934.19 = 6,239.25 : x
  2. Step 2: Convert to fraction form
    10,618.72/15,934.19 = 6,239.25/x
  3. Step 3: Cross multiply
    10,618.72x = 15,934.19 × 6,239.25
  4. Step 4: Simplify right side
    10,618.72x = 99,417,363.76
  5. Step 5: Solve for x
    x = 99,417,363.76/10,618.72
  6. Step 6: Final answer
    x = 9,362.46

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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.