Home / 13,337.53-18,406.01-7,369.20

Finding the Fourth Proportional to 13,337.53, 18,406.01 and 7,369.20

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Solution

The fourth proportional to 13,337.53, 18,406.01 and 7,369.20 is: 10,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.53 : 18,406.01 = 7,369.20 : x
  2. Step 2: Convert to fraction form
    13,337.53/18,406.01 = 7,369.20/x
  3. Step 3: Cross multiply
    13,337.53x = 18,406.01 × 7,369.20
  4. Step 4: Simplify right side
    13,337.53x = 135,637,587.32
  5. Step 5: Solve for x
    x = 135,637,587.32/13,337.53
  6. Step 6: Final answer
    x = 10,169.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.