Home / 10,320.36-14,242.32-6,339.18

Finding the Fourth Proportional to 10,320.36, 14,242.32 and 6,339.18

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Solution

The fourth proportional to 10,320.36, 14,242.32 and 6,339.18 is: 8,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.36 : 14,242.32 = 6,339.18 : x
  2. Step 2: Convert to fraction form
    10,320.36/14,242.32 = 6,339.18/x
  3. Step 3: Cross multiply
    10,320.36x = 14,242.32 × 6,339.18
  4. Step 4: Simplify right side
    10,320.36x = 90,284,630.10
  5. Step 5: Solve for x
    x = 90,284,630.10/10,320.36
  6. Step 6: Final answer
    x = 8,748.21

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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.