Home / 21,955.92-32,929.32-7,913.76

Finding the Fourth Proportional to 21,955.92, 32,929.32 and 7,913.76

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Solution

The fourth proportional to 21,955.92, 32,929.32 and 7,913.76 is: 11,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.92 : 32,929.32 = 7,913.76 : x
  2. Step 2: Convert to fraction form
    21,955.92/32,929.32 = 7,913.76/x
  3. Step 3: Cross multiply
    21,955.92x = 32,929.32 × 7,913.76
  4. Step 4: Simplify right side
    21,955.92x = 260,594,735.44
  5. Step 5: Solve for x
    x = 260,594,735.44/21,955.92
  6. Step 6: Final answer
    x = 11,869.00

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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.