Home / 9,312.30-13,989.78-6,031.80

Finding the Fourth Proportional to 9,312.30, 13,989.78 and 6,031.80

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Solution

The fourth proportional to 9,312.30, 13,989.78 and 6,031.80 is: 9,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.30 : 13,989.78 = 6,031.80 : x
  2. Step 2: Convert to fraction form
    9,312.30/13,989.78 = 6,031.80/x
  3. Step 3: Cross multiply
    9,312.30x = 13,989.78 × 6,031.80
  4. Step 4: Simplify right side
    9,312.30x = 84,383,555.00
  5. Step 5: Solve for x
    x = 84,383,555.00/9,312.30
  6. Step 6: Final answer
    x = 9,061.52

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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.