Home / 9,931.90-13,703.54-7,274.70

Finding the Fourth Proportional to 9,931.90, 13,703.54 and 7,274.70

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Solution

The fourth proportional to 9,931.90, 13,703.54 and 7,274.70 is: 10,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.90 : 13,703.54 = 7,274.70 : x
  2. Step 2: Convert to fraction form
    9,931.90/13,703.54 = 7,274.70/x
  3. Step 3: Cross multiply
    9,931.90x = 13,703.54 × 7,274.70
  4. Step 4: Simplify right side
    9,931.90x = 99,689,142.44
  5. Step 5: Solve for x
    x = 99,689,142.44/9,931.90
  6. Step 6: Final answer
    x = 10,037.27

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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.