Home / 9,430.40-13,011.36-5,898.80

Finding the Fourth Proportional to 9,430.40, 13,011.36 and 5,898.80

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Solution

The fourth proportional to 9,430.40, 13,011.36 and 5,898.80 is: 8,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.40 : 13,011.36 = 5,898.80 : x
  2. Step 2: Convert to fraction form
    9,430.40/13,011.36 = 5,898.80/x
  3. Step 3: Cross multiply
    9,430.40x = 13,011.36 × 5,898.80
  4. Step 4: Simplify right side
    9,430.40x = 76,751,410.37
  5. Step 5: Solve for x
    x = 76,751,410.37/9,430.40
  6. Step 6: Final answer
    x = 8,138.72

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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.