Home / 19,983.59-29,979.52-7,503.57

Finding the Fourth Proportional to 19,983.59, 29,979.52 and 7,503.57

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Solution

The fourth proportional to 19,983.59, 29,979.52 and 7,503.57 is: 11,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.59 : 29,979.52 = 7,503.57 : x
  2. Step 2: Convert to fraction form
    19,983.59/29,979.52 = 7,503.57/x
  3. Step 3: Cross multiply
    19,983.59x = 29,979.52 × 7,503.57
  4. Step 4: Simplify right side
    19,983.59x = 224,953,408.13
  5. Step 5: Solve for x
    x = 224,953,408.13/19,983.59
  6. Step 6: Final answer
    x = 11,256.90

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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.