Home / 10,088.72-13,931.24-6,786.32

Finding the Fourth Proportional to 10,088.72, 13,931.24 and 6,786.32

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Solution

The fourth proportional to 10,088.72, 13,931.24 and 6,786.32 is: 9,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.72 : 13,931.24 = 6,786.32 : x
  2. Step 2: Convert to fraction form
    10,088.72/13,931.24 = 6,786.32/x
  3. Step 3: Cross multiply
    10,088.72x = 13,931.24 × 6,786.32
  4. Step 4: Simplify right side
    10,088.72x = 94,541,852.64
  5. Step 5: Solve for x
    x = 94,541,852.64/10,088.72
  6. Step 6: Final answer
    x = 9,371.05

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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.