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Finding the Fourth Proportional to 9,692.94, 14,539.38 and 6,405.30

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Solution

The fourth proportional to 9,692.94, 14,539.38 and 6,405.30 is: 9,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.94 : 14,539.38 = 6,405.30 : x
  2. Step 2: Convert to fraction form
    9,692.94/14,539.38 = 6,405.30/x
  3. Step 3: Cross multiply
    9,692.94x = 14,539.38 × 6,405.30
  4. Step 4: Simplify right side
    9,692.94x = 93,129,090.71
  5. Step 5: Solve for x
    x = 93,129,090.71/9,692.94
  6. Step 6: Final answer
    x = 9,607.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.