Home / 9,931.85-13,712.37-6,159.02

Finding the Fourth Proportional to 9,931.85, 13,712.37 and 6,159.02

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Solution

The fourth proportional to 9,931.85, 13,712.37 and 6,159.02 is: 8,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.85 : 13,712.37 = 6,159.02 : x
  2. Step 2: Convert to fraction form
    9,931.85/13,712.37 = 6,159.02/x
  3. Step 3: Cross multiply
    9,931.85x = 13,712.37 × 6,159.02
  4. Step 4: Simplify right side
    9,931.85x = 84,454,761.08
  5. Step 5: Solve for x
    x = 84,454,761.08/9,931.85
  6. Step 6: Final answer
    x = 8,503.43

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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.