Home / 15,128.16-22,692.96-4,740

Finding the Fourth Proportional to 15,128.16, 22,692.96 and 4,740

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Solution

The fourth proportional to 15,128.16, 22,692.96 and 4,740 is: 7,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.16 : 22,692.96 = 4,740 : x
  2. Step 2: Convert to fraction form
    15,128.16/22,692.96 = 4,740/x
  3. Step 3: Cross multiply
    15,128.16x = 22,692.96 × 4,740
  4. Step 4: Simplify right side
    15,128.16x = 107,564,630.40
  5. Step 5: Solve for x
    x = 107,564,630.40/15,128.16
  6. Step 6: Final answer
    x = 7,110.23

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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.