Home / 8,931.32-13,386.36-6,732.80

Finding the Fourth Proportional to 8,931.32, 13,386.36 and 6,732.80

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Solution

The fourth proportional to 8,931.32, 13,386.36 and 6,732.80 is: 10,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.32 : 13,386.36 = 6,732.80 : x
  2. Step 2: Convert to fraction form
    8,931.32/13,386.36 = 6,732.80/x
  3. Step 3: Cross multiply
    8,931.32x = 13,386.36 × 6,732.80
  4. Step 4: Simplify right side
    8,931.32x = 90,127,684.61
  5. Step 5: Solve for x
    x = 90,127,684.61/8,931.32
  6. Step 6: Final answer
    x = 10,091.19

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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.