Home / 13,322.19-19,979.64-5,001.57

Finding the Fourth Proportional to 13,322.19, 19,979.64 and 5,001.57

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Solution

The fourth proportional to 13,322.19, 19,979.64 and 5,001.57 is: 7,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.19 : 19,979.64 = 5,001.57 : x
  2. Step 2: Convert to fraction form
    13,322.19/19,979.64 = 5,001.57/x
  3. Step 3: Cross multiply
    13,322.19x = 19,979.64 × 5,001.57
  4. Step 4: Simplify right side
    13,322.19x = 99,929,465.00
  5. Step 5: Solve for x
    x = 99,929,465.00/13,322.19
  6. Step 6: Final answer
    x = 7,500.98

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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.