Home / 9,408.48-14,126.40-6,920.16

Finding the Fourth Proportional to 9,408.48, 14,126.40 and 6,920.16

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Solution

The fourth proportional to 9,408.48, 14,126.40 and 6,920.16 is: 10,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.48 : 14,126.40 = 6,920.16 : x
  2. Step 2: Convert to fraction form
    9,408.48/14,126.40 = 6,920.16/x
  3. Step 3: Cross multiply
    9,408.48x = 14,126.40 × 6,920.16
  4. Step 4: Simplify right side
    9,408.48x = 97,756,948.22
  5. Step 5: Solve for x
    x = 97,756,948.22/9,408.48
  6. Step 6: Final answer
    x = 10,390.30

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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.