Home / 10,962.36-15,129.33-6,247.35

Finding the Fourth Proportional to 10,962.36, 15,129.33 and 6,247.35

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Solution

The fourth proportional to 10,962.36, 15,129.33 and 6,247.35 is: 8,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.36 : 15,129.33 = 6,247.35 : x
  2. Step 2: Convert to fraction form
    10,962.36/15,129.33 = 6,247.35/x
  3. Step 3: Cross multiply
    10,962.36x = 15,129.33 × 6,247.35
  4. Step 4: Simplify right side
    10,962.36x = 94,518,219.78
  5. Step 5: Solve for x
    x = 94,518,219.78/10,962.36
  6. Step 6: Final answer
    x = 8,622.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.