Home / 11,038.68-16,561.53-4,470.39

Finding the Fourth Proportional to 11,038.68, 16,561.53 and 4,470.39

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Solution

The fourth proportional to 11,038.68, 16,561.53 and 4,470.39 is: 6,707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.68 : 16,561.53 = 4,470.39 : x
  2. Step 2: Convert to fraction form
    11,038.68/16,561.53 = 4,470.39/x
  3. Step 3: Cross multiply
    11,038.68x = 16,561.53 × 4,470.39
  4. Step 4: Simplify right side
    11,038.68x = 74,036,498.10
  5. Step 5: Solve for x
    x = 74,036,498.10/11,038.68
  6. Step 6: Final answer
    x = 6,707.01

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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.