Home / 10,299.84-14,213.12-6,320.04

Finding the Fourth Proportional to 10,299.84, 14,213.12 and 6,320.04

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Solution

The fourth proportional to 10,299.84, 14,213.12 and 6,320.04 is: 8,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.84 : 14,213.12 = 6,320.04 : x
  2. Step 2: Convert to fraction form
    10,299.84/14,213.12 = 6,320.04/x
  3. Step 3: Cross multiply
    10,299.84x = 14,213.12 × 6,320.04
  4. Step 4: Simplify right side
    10,299.84x = 89,827,455.32
  5. Step 5: Solve for x
    x = 89,827,455.32/10,299.84
  6. Step 6: Final answer
    x = 8,721.25

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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.