Home / 10,438.20-14,393.43-7,452.81

Finding the Fourth Proportional to 10,438.20, 14,393.43 and 7,452.81

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Solution

The fourth proportional to 10,438.20, 14,393.43 and 7,452.81 is: 10,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.20 : 14,393.43 = 7,452.81 : x
  2. Step 2: Convert to fraction form
    10,438.20/14,393.43 = 7,452.81/x
  3. Step 3: Cross multiply
    10,438.20x = 14,393.43 × 7,452.81
  4. Step 4: Simplify right side
    10,438.20x = 107,271,499.04
  5. Step 5: Solve for x
    x = 107,271,499.04/10,438.20
  6. Step 6: Final answer
    x = 10,276.82

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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.