Home / 9,430.28-14,143.59-2,854.70

Finding the Fourth Proportional to 9,430.28, 14,143.59 and 2,854.70

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Solution

The fourth proportional to 9,430.28, 14,143.59 and 2,854.70 is: 4,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.28 : 14,143.59 = 2,854.70 : x
  2. Step 2: Convert to fraction form
    9,430.28/14,143.59 = 2,854.70/x
  3. Step 3: Cross multiply
    9,430.28x = 14,143.59 × 2,854.70
  4. Step 4: Simplify right side
    9,430.28x = 40,375,635.66
  5. Step 5: Solve for x
    x = 40,375,635.66/9,430.28
  6. Step 6: Final answer
    x = 4,281.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.