Home / 10,097.28-13,929.12-6,955.20

Finding the Fourth Proportional to 10,097.28, 13,929.12 and 6,955.20

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Solution

The fourth proportional to 10,097.28, 13,929.12 and 6,955.20 is: 9,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.28 : 13,929.12 = 6,955.20 : x
  2. Step 2: Convert to fraction form
    10,097.28/13,929.12 = 6,955.20/x
  3. Step 3: Cross multiply
    10,097.28x = 13,929.12 × 6,955.20
  4. Step 4: Simplify right side
    10,097.28x = 96,879,815.42
  5. Step 5: Solve for x
    x = 96,879,815.42/10,097.28
  6. Step 6: Final answer
    x = 9,594.64

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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.