Home / 15,541.83-21,441.27-10,828.83

Finding the Fourth Proportional to 15,541.83, 21,441.27 and 10,828.83

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Solution

The fourth proportional to 15,541.83, 21,441.27 and 10,828.83 is: 14,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.83 : 21,441.27 = 10,828.83 : x
  2. Step 2: Convert to fraction form
    15,541.83/21,441.27 = 10,828.83/x
  3. Step 3: Cross multiply
    15,541.83x = 21,441.27 × 10,828.83
  4. Step 4: Simplify right side
    15,541.83x = 232,183,867.81
  5. Step 5: Solve for x
    x = 232,183,867.81/15,541.83
  6. Step 6: Final answer
    x = 14,939.29

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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.