Home / 10,385.04-14,331.72-5,669.64

Finding the Fourth Proportional to 10,385.04, 14,331.72 and 5,669.64

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Solution

The fourth proportional to 10,385.04, 14,331.72 and 5,669.64 is: 7,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.04 : 14,331.72 = 5,669.64 : x
  2. Step 2: Convert to fraction form
    10,385.04/14,331.72 = 5,669.64/x
  3. Step 3: Cross multiply
    10,385.04x = 14,331.72 × 5,669.64
  4. Step 4: Simplify right side
    10,385.04x = 81,255,692.98
  5. Step 5: Solve for x
    x = 81,255,692.98/10,385.04
  6. Step 6: Final answer
    x = 7,824.30

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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.