Home / 9,929.05-14,880.31-5,247.95

Finding the Fourth Proportional to 9,929.05, 14,880.31 and 5,247.95

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Solution

The fourth proportional to 9,929.05, 14,880.31 and 5,247.95 is: 7,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.05 : 14,880.31 = 5,247.95 : x
  2. Step 2: Convert to fraction form
    9,929.05/14,880.31 = 5,247.95/x
  3. Step 3: Cross multiply
    9,929.05x = 14,880.31 × 5,247.95
  4. Step 4: Simplify right side
    9,929.05x = 78,091,035.34
  5. Step 5: Solve for x
    x = 78,091,035.34/9,929.05
  6. Step 6: Final answer
    x = 7,864.91

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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.