Home / 9,337.21-13,902.15-9,206.45

Finding the Fourth Proportional to 9,337.21, 13,902.15 and 9,206.45

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Solution

The fourth proportional to 9,337.21, 13,902.15 and 9,206.45 is: 13,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.21 : 13,902.15 = 9,206.45 : x
  2. Step 2: Convert to fraction form
    9,337.21/13,902.15 = 9,206.45/x
  3. Step 3: Cross multiply
    9,337.21x = 13,902.15 × 9,206.45
  4. Step 4: Simplify right side
    9,337.21x = 127,989,448.87
  5. Step 5: Solve for x
    x = 127,989,448.87/9,337.21
  6. Step 6: Final answer
    x = 13,707.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.