Home / 9,911.02-14,863.05-2,889.13

Finding the Fourth Proportional to 9,911.02, 14,863.05 and 2,889.13

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Solution

The fourth proportional to 9,911.02, 14,863.05 and 2,889.13 is: 4,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.02 : 14,863.05 = 2,889.13 : x
  2. Step 2: Convert to fraction form
    9,911.02/14,863.05 = 2,889.13/x
  3. Step 3: Cross multiply
    9,911.02x = 14,863.05 × 2,889.13
  4. Step 4: Simplify right side
    9,911.02x = 42,941,283.65
  5. Step 5: Solve for x
    x = 42,941,283.65/9,911.02
  6. Step 6: Final answer
    x = 4,332.68

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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.