Home / 10,368.20-14,300.82-6,388.04

Finding the Fourth Proportional to 10,368.20, 14,300.82 and 6,388.04

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Solution

The fourth proportional to 10,368.20, 14,300.82 and 6,388.04 is: 8,811.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.20 : 14,300.82 = 6,388.04 : x
  2. Step 2: Convert to fraction form
    10,368.20/14,300.82 = 6,388.04/x
  3. Step 3: Cross multiply
    10,368.20x = 14,300.82 × 6,388.04
  4. Step 4: Simplify right side
    10,368.20x = 91,354,210.19
  5. Step 5: Solve for x
    x = 91,354,210.19/10,368.20
  6. Step 6: Final answer
    x = 8,811.00

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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.