Home / 9,931.16-13,708.90-5,951.50

Finding the Fourth Proportional to 9,931.16, 13,708.90 and 5,951.50

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Solution

The fourth proportional to 9,931.16, 13,708.90 and 5,951.50 is: 8,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.16 : 13,708.90 = 5,951.50 : x
  2. Step 2: Convert to fraction form
    9,931.16/13,708.90 = 5,951.50/x
  3. Step 3: Cross multiply
    9,931.16x = 13,708.90 × 5,951.50
  4. Step 4: Simplify right side
    9,931.16x = 81,588,530.07
  5. Step 5: Solve for x
    x = 81,588,530.07/9,931.16
  6. Step 6: Final answer
    x = 8,215.41

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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.