Home / 15,692.07-21,654.98-8,521.93

Finding the Fourth Proportional to 15,692.07, 21,654.98 and 8,521.93

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Solution

The fourth proportional to 15,692.07, 21,654.98 and 8,521.93 is: 11,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,692.07 : 21,654.98 = 8,521.93 : x
  2. Step 2: Convert to fraction form
    15,692.07/21,654.98 = 8,521.93/x
  3. Step 3: Cross multiply
    15,692.07x = 21,654.98 × 8,521.93
  4. Step 4: Simplify right side
    15,692.07x = 184,542,223.71
  5. Step 5: Solve for x
    x = 184,542,223.71/15,692.07
  6. Step 6: Final answer
    x = 11,760.22

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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.