Home / 9,434.28-13,018.95-5,242.80

Finding the Fourth Proportional to 9,434.28, 13,018.95 and 5,242.80

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Solution

The fourth proportional to 9,434.28, 13,018.95 and 5,242.80 is: 7,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.28 : 13,018.95 = 5,242.80 : x
  2. Step 2: Convert to fraction form
    9,434.28/13,018.95 = 5,242.80/x
  3. Step 3: Cross multiply
    9,434.28x = 13,018.95 × 5,242.80
  4. Step 4: Simplify right side
    9,434.28x = 68,255,751.06
  5. Step 5: Solve for x
    x = 68,255,751.06/9,434.28
  6. Step 6: Final answer
    x = 7,234.87

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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.