Home / 13,279.54-19,913.18-4,957.34

Finding the Fourth Proportional to 13,279.54, 19,913.18 and 4,957.34

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Solution

The fourth proportional to 13,279.54, 19,913.18 and 4,957.34 is: 7,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.54 : 19,913.18 = 4,957.34 : x
  2. Step 2: Convert to fraction form
    13,279.54/19,913.18 = 4,957.34/x
  3. Step 3: Cross multiply
    13,279.54x = 19,913.18 × 4,957.34
  4. Step 4: Simplify right side
    13,279.54x = 98,716,403.74
  5. Step 5: Solve for x
    x = 98,716,403.74/13,279.54
  6. Step 6: Final answer
    x = 7,433.72

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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.