Home / 9,381.36-14,066.40-6,456.48

Finding the Fourth Proportional to 9,381.36, 14,066.40 and 6,456.48

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Solution

The fourth proportional to 9,381.36, 14,066.40 and 6,456.48 is: 9,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.36 : 14,066.40 = 6,456.48 : x
  2. Step 2: Convert to fraction form
    9,381.36/14,066.40 = 6,456.48/x
  3. Step 3: Cross multiply
    9,381.36x = 14,066.40 × 6,456.48
  4. Step 4: Simplify right side
    9,381.36x = 90,819,430.27
  5. Step 5: Solve for x
    x = 90,819,430.27/9,381.36
  6. Step 6: Final answer
    x = 9,680.84

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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.