Home / 10,500.74-15,746.10-6,119.44

Finding the Fourth Proportional to 10,500.74, 15,746.10 and 6,119.44

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Solution

The fourth proportional to 10,500.74, 15,746.10 and 6,119.44 is: 9,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.74 : 15,746.10 = 6,119.44 : x
  2. Step 2: Convert to fraction form
    10,500.74/15,746.10 = 6,119.44/x
  3. Step 3: Cross multiply
    10,500.74x = 15,746.10 × 6,119.44
  4. Step 4: Simplify right side
    10,500.74x = 96,357,314.18
  5. Step 5: Solve for x
    x = 96,357,314.18/10,500.74
  6. Step 6: Final answer
    x = 9,176.24

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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.