Home / 10,292.40-15,426.45-7,692.30

Finding the Fourth Proportional to 10,292.40, 15,426.45 and 7,692.30

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Solution

The fourth proportional to 10,292.40, 15,426.45 and 7,692.30 is: 11,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.40 : 15,426.45 = 7,692.30 : x
  2. Step 2: Convert to fraction form
    10,292.40/15,426.45 = 7,692.30/x
  3. Step 3: Cross multiply
    10,292.40x = 15,426.45 × 7,692.30
  4. Step 4: Simplify right side
    10,292.40x = 118,664,881.34
  5. Step 5: Solve for x
    x = 118,664,881.34/10,292.40
  6. Step 6: Final answer
    x = 11,529.37

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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.