Home / 9,388.85-14,117.03-8,657.40

Finding the Fourth Proportional to 9,388.85, 14,117.03 and 8,657.40

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Solution

The fourth proportional to 9,388.85, 14,117.03 and 8,657.40 is: 13,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.85 : 14,117.03 = 8,657.40 : x
  2. Step 2: Convert to fraction form
    9,388.85/14,117.03 = 8,657.40/x
  3. Step 3: Cross multiply
    9,388.85x = 14,117.03 × 8,657.40
  4. Step 4: Simplify right side
    9,388.85x = 122,216,786.93
  5. Step 5: Solve for x
    x = 122,216,786.93/9,388.85
  6. Step 6: Final answer
    x = 13,017.23

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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.