Home / 18,715.05-28,088.37-9,352.26

Finding the Fourth Proportional to 18,715.05, 28,088.37 and 9,352.26

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Solution

The fourth proportional to 18,715.05, 28,088.37 and 9,352.26 is: 14,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.05 : 28,088.37 = 9,352.26 : x
  2. Step 2: Convert to fraction form
    18,715.05/28,088.37 = 9,352.26/x
  3. Step 3: Cross multiply
    18,715.05x = 28,088.37 × 9,352.26
  4. Step 4: Simplify right side
    18,715.05x = 262,689,739.22
  5. Step 5: Solve for x
    x = 262,689,739.22/18,715.05
  6. Step 6: Final answer
    x = 14,036.28

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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.