Home / 15,605.04-23,408.28-3,918.36

Finding the Fourth Proportional to 15,605.04, 23,408.28 and 3,918.36

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Solution

The fourth proportional to 15,605.04, 23,408.28 and 3,918.36 is: 5,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.04 : 23,408.28 = 3,918.36 : x
  2. Step 2: Convert to fraction form
    15,605.04/23,408.28 = 3,918.36/x
  3. Step 3: Cross multiply
    15,605.04x = 23,408.28 × 3,918.36
  4. Step 4: Simplify right side
    15,605.04x = 91,722,068.02
  5. Step 5: Solve for x
    x = 91,722,068.02/15,605.04
  6. Step 6: Final answer
    x = 5,877.72

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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.